44640406026 has 24 divisors (see below), whose sum is σ = 101811453120. Its totient is φ = 14096970216.

The previous prime is 44640406001. The next prime is 44640406043. The reversal of 44640406026 is 62060404644.

It is a happy number.

44640406026 is a `hidden beast` number, since 4 + 4 + 6 + 4 + 0 + 40 + 602 + 6 = 666.

It is a super-2 number, since 2×44640406026² (a number of 22 digits) contains 22 as substring.

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, 65263410 + ... + 65264093.

It is an arithmetic number, because the mean of its divisors is an integer number (4242143880).

Almost surely, 2^44640406026 is an apocalyptic number.

44640406026 is an abundant number, since it is smaller than the sum of its proper divisors (57171047094).

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

44640406026 is a wasteful number, since it uses less digits than its factorization.

44640406026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130527530 (or 130527527 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 44640406026 in words is "forty-four billion, six hundred forty million, four hundred six thousand, twenty-six".