4097139844 has 24 divisors (see below), whose sum is σ = 8195765760. Its totient is φ = 1755598656.

The previous prime is 4097139821. The next prime is 4097139853. The reversal of 4097139844 is 4489317904.

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, 209517 + ... + 228235.

It is an arithmetic number, because the mean of its divisors is an integer number (341490240).

Almost surely, 2^4097139844 is an apocalyptic number.

It is an amenable number.

4097139844 is an abundant number, since it is smaller than the sum of its proper divisors (4098625916).

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

4097139844 is a wasteful number, since it uses less digits than its factorization.

4097139844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26547 (or 26545 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 4097139844 is about 64008.9044118082. The cubic root of 4097139844 is about 1600.1484034223.

The spelling of 4097139844 in words is "four billion, ninety-seven million, one hundred thirty-nine thousand, eight hundred forty-four".