4090949388 has 30 divisors (see below), whose sum is σ = 10694550636. Its totient is φ = 1363649688.

The previous prime is 4090949371. The next prime is 4090949389. The reversal of 4090949388 is 8839490904.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4090949389) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6312870 + ... + 6313517.

Almost surely, 2^4090949388 is an apocalyptic number.

It is an amenable number.

4090949388 is an abundant number, since it is smaller than the sum of its proper divisors (6603601248).

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

4090949388 is a wasteful number, since it uses less digits than its factorization.

4090949388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626403 (or 12626392 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 4090949388 is about 63960.5299227578. The cubic root of 4090949388 is about 1599.3420977441.

The spelling of 4090949388 in words is "four billion, ninety million, nine hundred forty-nine thousand, three hundred eighty-eight".