40554100100 has 72 divisors (see below), whose sum is σ = 94937314248. Its totient is φ = 14979328000.

The previous prime is 40554100091. The next prime is 40554100127. The reversal of 40554100100 is 100145504.

It can be written as a sum of positive squares in 12 ways, for example, as 745071616 + 39809028484 = 27296^2 + 199522^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 134951 + ... + 315150.

It is an arithmetic number, because the mean of its divisors is an integer number (1318573809).

Almost surely, 2^40554100100 is an apocalyptic number.

It is an amenable number.

40554100100 is an abundant number, since it is smaller than the sum of its proper divisors (54383214148).

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

40554100100 is a wasteful number, since it uses less digits than its factorization.

40554100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450185 (or 450178 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 40554100100 its reverse (100145504), we get a palindrome (40654245604).

The spelling of 40554100100 in words is "forty billion, five hundred fifty-four million, one hundred thousand, one hundred".