1032638064 has 40 divisors (see below), whose sum is σ = 2681078400. Its totient is φ = 342479808.

The previous prime is 1032638063. The next prime is 1032638137. The reversal of 1032638064 is 4608362301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032638063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44502 + ... + 63605.

It is an arithmetic number, because the mean of its divisors is an integer number (67026960).

Almost surely, 2^1032638064 is an apocalyptic number.

It is an amenable number.

1032638064 is an abundant number, since it is smaller than the sum of its proper divisors (1648440336).

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

1032638064 is a wasteful number, since it uses less digits than its factorization.

1032638064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108317 (or 108311 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1032638064 is about 32134.6863062330. The cubic root of 1032638064 is about 1010.7630948420.

The spelling of 1032638064 in words is "one billion, thirty-two million, six hundred thirty-eight thousand, sixty-four".