40548945987732 has 96 divisors (see below), whose sum is σ = 116576082653184. Its totient is φ = 10682488252800.

The previous prime is 40548945987703. The next prime is 40548945987787. The reversal of 40548945987732 is 23778954984504.

It is a super-2 number, since 2×40548945987732² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19385394 + ... + 21375017.

It is an arithmetic number, because the mean of its divisors is an integer number (1214334194304).

Almost surely, 2^{40548945987732} is an apocalyptic number.

40548945987732 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40548945987732 is an abundant number, since it is smaller than the sum of its proper divisors (76027136665452).

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

40548945987732 is a wasteful number, since it uses less digits than its factorization.

40548945987732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40761349 (or 40761347 counting only the distinct ones).

The product of its (nonzero) digits is 2438553600, while the sum is 75.

The spelling of 40548945987732 in words is "forty trillion, five hundred forty-eight billion, nine hundred forty-five million, nine hundred eighty-seven thousand, seven hundred thirty-two".