47515040 has 24 divisors (see below), whose sum is σ = 112254660. Its totient is φ = 19005952.

The previous prime is 47514967. The next prime is 47515081. The reversal of 47515040 is 4051574.

It can be written as a sum of positive squares in 2 ways, for example, as 47499664 + 15376 = 6892^2 + 124^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148325 + ... + 148644.

Almost surely, 2^47515040 is an apocalyptic number.

47515040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47515040 is an abundant number, since it is smaller than the sum of its proper divisors (64739620).

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

47515040 is a wasteful number, since it uses less digits than its factorization.

47515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296984 (or 296976 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 47515040 is about 6893.1154059685. The cubic root of 47515040 is about 362.1960416729.

The spelling of 47515040 in words is "forty-seven million, five hundred fifteen thousand, forty".