3900157502 has 16 divisors (see below), whose sum is σ = 5940567312. Its totient is φ = 1919998080.

The previous prime is 3900157489. The next prime is 3900157517. The reversal of 3900157502 is 2057510093.

It is a super-2 number, since 2×3900157502² = 30422457080813760008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307478 + ... + 319910.

It is an arithmetic number, because the mean of its divisors is an integer number (371285457).

Almost surely, 2^3900157502 is an apocalyptic number.

3900157502 is a deficient number, since it is larger than the sum of its proper divisors (2040409810).

3900157502 is a wasteful number, since it uses less digits than its factorization.

3900157502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14843.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 3900157502 is about 62451.2409964766. The cubic root of 3900157502 is about 1574.0821058968.

Adding to 3900157502 its reverse (2057510093), we get a palindrome (5957667595).

The spelling of 3900157502 in words is "three billion, nine hundred million, one hundred fifty-seven thousand, five hundred two".