1030615040 has 312 divisors, whose sum is σ = 3137480640. Its totient is φ = 322043904.

The previous prime is 1030614943. The next prime is 1030615049. The reversal of 1030615040 is 405160301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030615049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13045721 + ... + 13045799.

Almost surely, 2^1030615040 is an apocalyptic number.

1030615040 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 1030615040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568740320).

1030615040 is an abundant number, since it is smaller than the sum of its proper divisors (2106865600).

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

1030615040 is an equidigital number, since it uses as much as digits as its factorization.

1030615040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1030615040 is about 32103.1936106052. The cubic root of 1030615040 is about 1010.1026069661.

Adding to 1030615040 its reverse (405160301), we get a palindrome (1435775341).

The spelling of 1030615040 in words is "one billion, thirty million, six hundred fifteen thousand, forty".