47904261840 has 120 divisors (see below), whose sum is σ = 166837009248. Its totient is φ = 12774464640.

The previous prime is 47904261833. The next prime is 47904261857. The reversal of 47904261840 is 4816240974.

47904261840 is a `hidden beast` number, since 47 + 9 + 0 + 426 + 184 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1212666 + ... + 1251545.

Almost surely, 2^47904261840 is an apocalyptic number.

47904261840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47904261840 is an abundant number, since it is smaller than the sum of its proper divisors (118932747408).

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

47904261840 is a wasteful number, since it uses less digits than its factorization.

47904261840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464239 (or 2464221 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 47904261840 in words is "forty-seven billion, nine hundred four million, two hundred sixty-one thousand, eight hundred forty".