47924040 has 64 divisors (see below), whose sum is σ = 146151360. Its totient is φ = 12568320.

The previous prime is 47924033. The next prime is 47924053. The reversal of 47924040 is 4042974.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47923989 and 47924007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4047 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (2283615).

Almost surely, 2^47924040 is an apocalyptic number.

47924040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47924040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73075680).

47924040 is an abundant number, since it is smaller than the sum of its proper divisors (98227320).

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

47924040 is a wasteful number, since it uses less digits than its factorization.

47924040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622 (or 6618 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 47924040 is about 6922.7191189590. The cubic root of 47924040 is about 363.2323111299.

The spelling of 47924040 in words is "forty-seven million, nine hundred twenty-four thousand, forty".