47111538040 has 48 divisors (see below), whose sum is σ = 123307245000. Its totient is φ = 16152526656.

The previous prime is 47111538037. The next prime is 47111538059. The reversal of 47111538040 is 4083511174.

It is a junction number, because it is equal to n+sod(n) for n = 47111537987 and 47111538005.

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, 12016290 + ... + 12020209.

Almost surely, 2^47111538040 is an apocalyptic number.

47111538040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47111538040 is an abundant number, since it is smaller than the sum of its proper divisors (76195706960).

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

47111538040 is a wasteful number, since it uses less digits than its factorization.

47111538040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24036524 (or 24036513 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 47111538040 in words is "forty-seven billion, one hundred eleven million, five hundred thirty-eight thousand, forty".