3900140502 has 16 divisors (see below), whose sum is σ = 7801270272. Its totient is φ = 1299881960.

The previous prime is 3900140501. The next prime is 3900140509. The reversal of 3900140502 is 2050410093.

It is a super-2 number, since 2×3900140502² = 30422191870681624008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900140501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16183 + ... + 89789.

It is an arithmetic number, because the mean of its divisors is an integer number (487579392).

Almost surely, 2^3900140502 is an apocalyptic number.

3900140502 is an abundant number, since it is smaller than the sum of its proper divisors (3901129770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3900140502 is a wasteful number, since it uses less digits than its factorization.

3900140502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82443.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3900140502 is about 62451.1048901459. The cubic root of 3900140502 is about 1574.0798188580.

Adding to 3900140502 its reverse (2050410093), we get a palindrome (5950550595).

The spelling of 3900140502 in words is "three billion, nine hundred million, one hundred forty thousand, five hundred two".