40213417257 has 24 divisors (see below), whose sum is σ = 62626846464. Its totient is φ = 24717981024.

The previous prime is 40213417253. The next prime is 40213417273. The reversal of 40213417257 is 75271431204.

40213417257 is a `hidden beast` number, since 4 + 0 + 213 + 417 + 25 + 7 = 666.

It is not a de Polignac number, because 40213417257 - 2² = 40213417253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40213417253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98163 + ... + 300104.

It is an arithmetic number, because the mean of its divisors is an integer number (2609451936).

Almost surely, 2^40213417257 is an apocalyptic number.

It is an amenable number.

40213417257 is a deficient number, since it is larger than the sum of its proper divisors (22413429207).

40213417257 is a wasteful number, since it uses less digits than its factorization.

40213417257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399149 (or 399146 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 40213417257 in words is "forty billion, two hundred thirteen million, four hundred seventeen thousand, two hundred fifty-seven".