45271438688 has 72 divisors (see below), whose sum is σ = 104133254400. Its totient is φ = 19317166848.

The previous prime is 45271438669. The next prime is 45271438759. The reversal of 45271438688 is 88683417254.

It is a super-2 number, since 2×45271438688² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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, 296033 + ... + 422111.

It is an arithmetic number, because the mean of its divisors is an integer number (1446295200).

Almost surely, 2^45271438688 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 45271438688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52066627200).

45271438688 is an abundant number, since it is smaller than the sum of its proper divisors (58861815712).

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

45271438688 is a wasteful number, since it uses less digits than its factorization.

45271438688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126332 (or 126317 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 56.

The spelling of 45271438688 in words is "forty-five billion, two hundred seventy-one million, four hundred thirty-eight thousand, six hundred eighty-eight".