47172543480 has 80 divisors (see below), whose sum is σ = 158552170920. Its totient is φ = 12579344064.

The previous prime is 47172543463. The next prime is 47172543503. The reversal of 47172543480 is 8434527174.

47172543480 is a `hidden beast` number, since 4 + 71 + 72 + 5 + 434 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7276474 + ... + 7282953.

Almost surely, 2^47172543480 is an apocalyptic number.

47172543480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47172543480 is an abundant number, since it is smaller than the sum of its proper divisors (111379627440).

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

47172543480 is a wasteful number, since it uses less digits than its factorization.

47172543480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14559450 (or 14559437 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 47172543480 in words is "forty-seven billion, one hundred seventy-two million, five hundred forty-three thousand, four hundred eighty".