47371868440 has 64 divisors (see below), whose sum is σ = 114815050560. Its totient is φ = 17486676480.

The previous prime is 47371868429. The next prime is 47371868497. The reversal of 47371868440 is 4486817374.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2573670 + ... + 2592010.

It is an arithmetic number, because the mean of its divisors is an integer number (1793985165).

Almost surely, 2^47371868440 is an apocalyptic number.

47371868440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47371868440 is an abundant number, since it is smaller than the sum of its proper divisors (67443182120).

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

47371868440 is a wasteful number, since it uses less digits than its factorization.

47371868440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23332 (or 23328 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 47371868440 in words is "forty-seven billion, three hundred seventy-one million, eight hundred sixty-eight thousand, four hundred forty".