1040544264 has 32 divisors (see below), whose sum is σ = 2685277440. Its totient is φ = 335659200.

The previous prime is 1040544257. The next prime is 1040544277. The reversal of 1040544264 is 4624450401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698547 + ... + 700034.

It is an arithmetic number, because the mean of its divisors is an integer number (83914920).

Almost surely, 2^1040544264 is an apocalyptic number.

It is an amenable number.

1040544264 is an abundant number, since it is smaller than the sum of its proper divisors (1644733176).

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

1040544264 is a wasteful number, since it uses less digits than its factorization.

1040544264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398621 (or 1398617 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 1040544264 is about 32257.4683445555. The cubic root of 1040544264 is about 1013.3361121615.

Adding to 1040544264 its reverse (4624450401), we get a palindrome (5664994665).

The spelling of 1040544264 in words is "one billion, forty million, five hundred forty-four thousand, two hundred sixty-four".