40877738154 has 40 divisors (see below), whose sum is σ = 99923364288. Its totient is φ = 12387192840.

The previous prime is 40877738131. The next prime is 40877738183. The reversal of 40877738154 is 45183777804.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 40877738154.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11467842 + ... + 11471405.

Almost surely, 2^40877738154 is an apocalyptic number.

40877738154 is an abundant number, since it is smaller than the sum of its proper divisors (59045626134).

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

40877738154 is a wasteful number, since it uses less digits than its factorization.

40877738154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22939272 (or 22939263 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 40877738154 in words is "forty billion, eight hundred seventy-seven million, seven hundred thirty-eight thousand, one hundred fifty-four".