39952201615 has 16 divisors (see below), whose sum is σ = 48655766016. Its totient is φ = 31487047200.

The previous prime is 39952201559. The next prime is 39952201633. The reversal of 39952201615 is 51610225993.

It is not a de Polignac number, because 39952201615 - 2¹⁵ = 39952168847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419380 + ... + 505750.

It is an arithmetic number, because the mean of its divisors is an integer number (3040985376).

Almost surely, 2^39952201615 is an apocalyptic number.

39952201615 is a deficient number, since it is larger than the sum of its proper divisors (8703564401).

39952201615 is a wasteful number, since it uses less digits than its factorization.

39952201615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87750.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 39952201615 in words is "thirty-nine billion, nine hundred fifty-two million, two hundred one thousand, six hundred fifteen".