40548972 has 24 divisors (see below), whose sum is σ = 94746736. Its totient is φ = 13497408.

The previous prime is 40548967. The next prime is 40548997. The reversal of 40548972 is 27984504.

It is a self number, because there is not a number n which added to its sum of digits gives 40548972.

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, 8598 + ... + 12450.

Almost surely, 2^40548972 is an apocalyptic number.

It is an amenable number.

40548972 is an abundant number, since it is smaller than the sum of its proper divisors (54197764).

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

40548972 is a wasteful number, since it uses less digits than its factorization.

40548972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4735 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 40548972 is about 6367.8074719640. The cubic root of 40548972 is about 343.5526341631.

The spelling of 40548972 in words is "forty million, five hundred forty-eight thousand, nine hundred seventy-two".