3940201557 has 16 divisors (see below), whose sum is σ = 5979711360. Its totient is φ = 2562732000.

The previous prime is 3940201549. The next prime is 3940201567. The reversal of 3940201557 is 7551020493.

It is not a de Polignac number, because 3940201557 - 2³ = 3940201549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940201547) 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, 1778569 + ... + 1780782.

It is an arithmetic number, because the mean of its divisors is an integer number (373731960).

Almost surely, 2^3940201557 is an apocalyptic number.

It is an amenable number.

3940201557 is a deficient number, since it is larger than the sum of its proper divisors (2039509803).

3940201557 is a wasteful number, since it uses less digits than its factorization.

3940201557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559401 (or 3559395 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 3940201557 is about 62771.0248203739. The cubic root of 3940201557 is about 1579.4509598242.

The spelling of 3940201557 in words is "three billion, nine hundred forty million, two hundred one thousand, five hundred fifty-seven".