40348472 has 16 divisors (see below), whose sum is σ = 76783560. Its totient is φ = 19872864.

The previous prime is 40348471. The next prime is 40348489. The reversal of 40348472 is 27484304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40348471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37103 + ... + 38174.

Almost surely, 2^40348472 is an apocalyptic number.

It is an amenable number.

40348472 is a deficient number, since it is larger than the sum of its proper divisors (36435088).

40348472 is a wasteful number, since it uses less digits than its factorization.

40348472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75350 (or 75346 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 40348472 is about 6352.0447101701. The cubic root of 40348472 is about 342.9854504562.

The spelling of 40348472 in words is "forty million, three hundred forty-eight thousand, four hundred seventy-two".