100400553054 has 16 divisors (see below), whose sum is σ = 223112340240. Its totient is φ = 33466851000.

The previous prime is 100400553041. The next prime is 100400553061. The reversal of 100400553054 is 450355004001.

100400553054 is a `hidden beast` number, since 100 + 4 + 0 + 0 + 553 + 0 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929634697 + ... + 929634804.

It is an arithmetic number, because the mean of its divisors is an integer number (13944521265).

Almost surely, 2^100400553054 is an apocalyptic number.

100400553054 is an abundant number, since it is smaller than the sum of its proper divisors (122711787186).

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

100400553054 is a wasteful number, since it uses less digits than its factorization.

100400553054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859269512 (or 1859269506 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 100400553054 its reverse (450355004001), we get a palindrome (550755557055).

The spelling of 100400553054 in words is "one hundred billion, four hundred million, five hundred fifty-three thousand, fifty-four".