40047417 has 12 divisors (see below), whose sum is σ = 58544304. Its totient is φ = 26376120.

The previous prime is 40047389. The next prime is 40047437. The reversal of 40047417 is 71474004.

It is not a de Polignac number, because 40047417 - 2²⁴ = 23270201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40047437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26059 + ... + 27552.

It is an arithmetic number, because the mean of its divisors is an integer number (4878692).

Almost surely, 2^40047417 is an apocalyptic number.

It is an amenable number.

40047417 is a deficient number, since it is larger than the sum of its proper divisors (18496887).

40047417 is a wasteful number, since it uses less digits than its factorization.

40047417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53700 (or 53697 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 40047417 is about 6328.3028530563. The cubic root of 40047417 is about 342.1302725215.

The spelling of 40047417 in words is "forty million, forty-seven thousand, four hundred seventeen".