3900451802 has 16 divisors (see below), whose sum is σ = 6517997640. Its totient is φ = 1738132032.

The previous prime is 3900451801. The next prime is 3900451823. The reversal of 3900451802 is 2081540093.

It can be written as a sum of positive squares in 4 ways, for example, as 1365228601 + 2535223201 = 36949^2 + 50351^2 .

It is not an unprimeable number, because it can be changed into a prime (3900451801) 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, 2585753 + ... + 2587260.

Almost surely, 2^3900451802 is an apocalyptic number.

3900451802 is a deficient number, since it is larger than the sum of its proper divisors (2617545838).

3900451802 is a wasteful number, since it uses less digits than its factorization.

3900451802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173057.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 3900451802 is about 62453.5971902340. The cubic root of 3900451802 is about 1574.1216975212.

Adding to 3900451802 its reverse (2081540093), we get a palindrome (5981991895).

The spelling of 3900451802 in words is "three billion, nine hundred million, four hundred fifty-one thousand, eight hundred two".