104555432440 has 32 divisors (see below), whose sum is σ = 235421938080. Its totient is φ = 41791556992.

The previous prime is 104555432393. The next prime is 104555432453. The reversal of 104555432440 is 44234555401.

It is a self number, because there is not a number n which added to its sum of digits gives 104555432440.

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, 901387 + ... + 1010746.

It is an arithmetic number, because the mean of its divisors is an integer number (7356935565).

Almost surely, 2^104555432440 is an apocalyptic number.

104555432440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104555432440 is an abundant number, since it is smaller than the sum of its proper divisors (130866505640).

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

104555432440 is a wasteful number, since it uses less digits than its factorization.

104555432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913511 (or 1913507 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 104555432440 its reverse (44234555401), we get a palindrome (148789987841).

The spelling of 104555432440 in words is "one hundred four billion, five hundred fifty-five million, four hundred thirty-two thousand, four hundred forty".