3902873440 has 24 divisors (see below), whose sum is σ = 9220538880. Its totient is φ = 1561149312.

The previous prime is 3902873407. The next prime is 3902873441. The reversal of 3902873440 is 443782093.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3902873393 and 3902873402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902873441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12196320 + ... + 12196639.

It is an arithmetic number, because the mean of its divisors is an integer number (384189120).

Almost surely, 2^3902873440 is an apocalyptic number.

It is an amenable number.

3902873440 is an abundant number, since it is smaller than the sum of its proper divisors (5317665440).

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

3902873440 is a wasteful number, since it uses less digits than its factorization.

3902873440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24392974 (or 24392966 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 3902873440 is about 62472.9816800831. The cubic root of 3902873440 is about 1574.4474003275.

The spelling of 3902873440 in words is "three billion, nine hundred two million, eight hundred seventy-three thousand, four hundred forty".