64079046090 has 24 divisors (see below), whose sum is σ = 166605520068. Its totient is φ = 17087745600.

The previous prime is 64079046089. The next prime is 64079046127. The reversal of 64079046090 is 9064097046.

It can be written as a sum of positive squares in 2 ways, for example, as 55187876241 + 8891169849 = 234921^2 + 94293^2 .

It is a super-2 number, since 2×64079046090² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355994611 + ... + 355994790.

Almost surely, 2^64079046090 is an apocalyptic number.

64079046090 is an abundant number, since it is smaller than the sum of its proper divisors (102526473978).

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

64079046090 is a wasteful number, since it uses less digits than its factorization.

64079046090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711989414 (or 711989411 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 64079046090 in words is "sixty-four billion, seventy-nine million, forty-six thousand, ninety".