1064596440 has 64 divisors (see below), whose sum is σ = 3381665760. Its totient is φ = 267192320.

The previous prime is 1064596427. The next prime is 1064596441. The reversal of 1064596440 is 446954601.

It is a super-2 number, since 2×1064596440² = 2266731160121347200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064596441) 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 15 ways as a sum of consecutive naturals, for example, 258891 + ... + 262970.

Almost surely, 2^1064596440 is an apocalyptic number.

1064596440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1064596440 is an abundant number, since it is smaller than the sum of its proper divisors (2317069320).

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

1064596440 is a wasteful number, since it uses less digits than its factorization.

1064596440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521892 (or 521888 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1064596440 is about 32628.1541004084. The cubic root of 1064596440 is about 1021.0844674968.

The spelling of 1064596440 in words is "one billion, sixty-four million, five hundred ninety-six thousand, four hundred forty".