45123636426 has 32 divisors (see below), whose sum is σ = 98566573248. Its totient is φ = 13657856640.

The previous prime is 45123636407. The next prime is 45123636449. The reversal of 45123636426 is 62463632154.

It is a happy number.

It is a super-2 number, since 2×45123636426² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342325 + ... + 455448.

It is an arithmetic number, because the mean of its divisors is an integer number (3080205414).

Almost surely, 2^45123636426 is an apocalyptic number.

45123636426 is an abundant number, since it is smaller than the sum of its proper divisors (53442936822).

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

45123636426 is a wasteful number, since it uses less digits than its factorization.

45123636426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798646.

The product of its digits is 622080, while the sum is 42.

The spelling of 45123636426 in words is "forty-five billion, one hundred twenty-three million, six hundred thirty-six thousand, four hundred twenty-six".