47014478840 has 48 divisors (see below), whose sum is σ = 123053207400. Its totient is φ = 16119249216.

The previous prime is 47014478837. The next prime is 47014478873. The reversal of 47014478840 is 4887441074.

It is a happy number.

It is a super-2 number, since 2×47014478840² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11991530 + ... + 11995449.

Almost surely, 2^47014478840 is an apocalyptic number.

47014478840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47014478840 is an abundant number, since it is smaller than the sum of its proper divisors (76038728560).

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

47014478840 is a wasteful number, since it uses less digits than its factorization.

47014478840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23987004 (or 23986993 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 47.

The spelling of 47014478840 in words is "forty-seven billion, fourteen million, four hundred seventy-eight thousand, eight hundred forty".