44918872540 has 24 divisors (see below), whose sum is σ = 99878434992. Its totient is φ = 16910634240.

The previous prime is 44918872519. The next prime is 44918872547. The reversal of 44918872540 is 4527881944.

It is a super-2 number, since 2×44918872540² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44918872547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66056826 + ... + 66057505.

It is an arithmetic number, because the mean of its divisors is an integer number (4161601458).

Almost surely, 2^44918872540 is an apocalyptic number.

It is an amenable number.

44918872540 is an abundant number, since it is smaller than the sum of its proper divisors (54959562452).

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

44918872540 is a wasteful number, since it uses less digits than its factorization.

44918872540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132114357 (or 132114355 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 44918872540 in words is "forty-four billion, nine hundred eighteen million, eight hundred seventy-two thousand, five hundred forty".