47421512564240 has 40 divisors (see below), whose sum is σ = 112335300056088. Its totient is φ = 18610706816000.

The previous prime is 47421512564233. The next prime is 47421512564267. The reversal of 47421512564240 is 4246521512474.

It can be written as a sum of positive squares in 4 ways, for example, as 4593597719824 + 42827914844416 = 2143268^2 + 6544304^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5592155261 + ... + 5592163740.

Almost surely, 2^{47421512564240} is an apocalyptic number.

47421512564240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47421512564240 is an abundant number, since it is smaller than the sum of its proper divisors (64913787491848).

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

47421512564240 is a wasteful number, since it uses less digits than its factorization.

47421512564240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11184319067 (or 11184319061 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 47.

The spelling of 47421512564240 in words is "forty-seven trillion, four hundred twenty-one billion, five hundred twelve million, five hundred sixty-four thousand, two hundred forty".