1040562864 has 120 divisors (see below), whose sum is σ = 3279504384. Its totient is φ = 305136000.

The previous prime is 1040562857. The next prime is 1040562871. The reversal of 1040562864 is 4682650401.

1040562864 is a `hidden beast` number, since 10 + 4 + 0 + 562 + 86 + 4 = 666.

1040562864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1040562857) and next prime (1040562871).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38509 + ... + 59699.

Almost surely, 2^1040562864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040562864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639752192).

1040562864 is an abundant number, since it is smaller than the sum of its proper divisors (2238941520).

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

1040562864 is a wasteful number, since it uses less digits than its factorization.

1040562864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21247 (or 21238 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1040562864 is about 32257.7566485954. The cubic root of 1040562864 is about 1013.3421500079.

The spelling of 1040562864 in words is "one billion, forty million, five hundred sixty-two thousand, eight hundred sixty-four".