40170555100 has 72 divisors (see below), whose sum is σ = 93911676768. Its totient is φ = 14826489600.

The previous prime is 40170555091. The next prime is 40170555101. The reversal of 40170555100 is 155507104.

It is a super-2 number, since 2×40170555100² (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 (40170555101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4963257 + ... + 4971343.

It is an arithmetic number, because the mean of its divisors is an integer number (1304328844).

Almost surely, 2^40170555100 is an apocalyptic number.

It is an amenable number.

40170555100 is an abundant number, since it is smaller than the sum of its proper divisors (53741121668).

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

40170555100 is a wasteful number, since it uses less digits than its factorization.

40170555100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11935 (or 11928 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The spelling of 40170555100 in words is "forty billion, one hundred seventy million, five hundred fifty-five thousand, one hundred".