47388400455 has 32 divisors (see below), whose sum is σ = 82774591488. Its totient is φ = 22959446400.

The previous prime is 47388400361. The next prime is 47388400471. The reversal of 47388400455 is 55400488374.

It is not a de Polignac number, because 47388400455 - 2³³ = 38798465863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123882 + ... + 331848.

It is an arithmetic number, because the mean of its divisors is an integer number (2586705984).

Almost surely, 2^47388400455 is an apocalyptic number.

47388400455 is a deficient number, since it is larger than the sum of its proper divisors (35386191033).

47388400455 is a wasteful number, since it uses less digits than its factorization.

47388400455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209367.

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 47388400455 in words is "forty-seven billion, three hundred eighty-eight million, four hundred thousand, four hundred fifty-five".