47502213840 has 60 divisors (see below), whose sum is σ = 159528270564. Its totient is φ = 12667256832.

The previous prime is 47502213827. The next prime is 47502213853. The reversal of 47502213840 is 4831220574.

It is a happy number.

47502213840 is a `hidden beast` number, since 4 + 7 + 50 + 221 + 384 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (47502213827) and next prime (47502213853).

It can be written as a sum of positive squares in 2 ways, for example, as 5291689536 + 42210524304 = 72744^2 + 205452^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47502213795 and 47502213804.

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, 32986929 + ... + 32988368.

Almost surely, 2^47502213840 is an apocalyptic number.

47502213840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47502213840 is an abundant number, since it is smaller than the sum of its proper divisors (112026056724).

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

47502213840 is a wasteful number, since it uses less digits than its factorization.

47502213840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65975316 (or 65975307 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 47502213840 in words is "forty-seven billion, five hundred two million, two hundred thirteen thousand, eight hundred forty".