1030995540 has 156 divisors (see below), whose sum is σ = 3281114676. Its totient is φ = 272097792.

The previous prime is 1030995533. The next prime is 1030995547. The reversal of 1030995540 is 455990301.

1030995540 is a `hidden beast` number, since 10 + 3 + 0 + 99 + 554 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1030995533) and next prime (1030995547).

It can be written as a sum of positive squares in 2 ways, for example, as 416649744 + 614345796 = 20412^2 + 24786^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1030995495 and 1030995504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030995547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 51 ways as a sum of consecutive naturals, for example, 10628772 + ... + 10628868.

Almost surely, 2^1030995540 is an apocalyptic number.

1030995540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030995540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640557338).

1030995540 is an abundant number, since it is smaller than the sum of its proper divisors (2250119136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030995540 is an frugal number, since it uses more digits than its factorization.

1030995540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 1030995540 is about 32109.1192654050. The cubic root of 1030995540 is about 1010.2269006281.

The spelling of 1030995540 in words is "one billion, thirty million, nine hundred ninety-five thousand, five hundred forty".