104400657550 has 144 divisors (see below), whose sum is σ = 248160723840. Its totient is φ = 31915261440.

The previous prime is 104400657547. The next prime is 104400657593. The reversal of 104400657550 is 55756004401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1894689 + ... + 1949011.

It is an arithmetic number, because the mean of its divisors is an integer number (1723338360).

Almost surely, 2^104400657550 is an apocalyptic number.

104400657550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104400657550 is an abundant number, since it is smaller than the sum of its proper divisors (143760066290).

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

104400657550 is a wasteful number, since it uses less digits than its factorization.

104400657550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54395 (or 54373 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 104400657550 in words is "one hundred four billion, four hundred million, six hundred fifty-seven thousand, five hundred fifty".