1030420340 has 12 divisors (see below), whose sum is σ = 2163882756. Its totient is φ = 412168128.

The previous prime is 1030420327. The next prime is 1030420381. The reversal of 1030420340 is 430240301.

It can be written as a sum of positive squares in 2 ways, for example, as 313573264 + 716847076 = 17708^2 + 26774^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25760489 + ... + 25760528.

It is an arithmetic number, because the mean of its divisors is an integer number (180323563).

Almost surely, 2^1030420340 is an apocalyptic number.

1030420340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030420340 is an abundant number, since it is smaller than the sum of its proper divisors (1133462416).

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

1030420340 is a wasteful number, since it uses less digits than its factorization.

1030420340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51521026 (or 51521024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1030420340 is about 32100.1610587860. The cubic root of 1030420340 is about 1010.0389946713.

Adding to 1030420340 its reverse (430240301), we get a palindrome (1460660641).

The spelling of 1030420340 in words is "one billion, thirty million, four hundred twenty thousand, three hundred forty".