44157557740 has 12 divisors (see below), whose sum is σ = 92730871296. Its totient is φ = 17663023088.

The previous prime is 44157557701. The next prime is 44157557767. The reversal of 44157557740 is 4775575144.

It is a super-2 number, since 2×44157557740² (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 3 ways as a sum of consecutive naturals, for example, 1103938924 + ... + 1103938963.

It is an arithmetic number, because the mean of its divisors is an integer number (7727572608).

Almost surely, 2^44157557740 is an apocalyptic number.

It is an amenable number.

44157557740 is an abundant number, since it is smaller than the sum of its proper divisors (48573313556).

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

44157557740 is a wasteful number, since it uses less digits than its factorization.

44157557740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207877896 (or 2207877894 counting only the distinct ones).

The product of its (nonzero) digits is 2744000, while the sum is 49.

The spelling of 44157557740 in words is "forty-four billion, one hundred fifty-seven million, five hundred fifty-seven thousand, seven hundred forty".