39956067417 has 16 divisors (see below), whose sum is σ = 60888369152. Its totient is φ = 22830938640.

The previous prime is 39956067413. The next prime is 39956067427. The reversal of 39956067417 is 71476065993.

It is a happy number.

It is not a de Polignac number, because 39956067417 - 2² = 39956067413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39956067413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637248 + ... + 697134.

It is an arithmetic number, because the mean of its divisors is an integer number (3805523072).

Almost surely, 2^39956067417 is an apocalyptic number.

It is an amenable number.

39956067417 is a deficient number, since it is larger than the sum of its proper divisors (20932301735).

39956067417 is a wasteful number, since it uses less digits than its factorization.

39956067417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91668.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 39956067417 in words is "thirty-nine billion, nine hundred fifty-six million, sixty-seven thousand, four hundred seventeen".