4490023988 has 24 divisors (see below), whose sum is σ = 8289025920. Its totient is φ = 2122243200.

The previous prime is 4490023981. The next prime is 4490023999. The reversal of 4490023988 is 8893200944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490023981) 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, 28613 + ... + 98988.

It is an arithmetic number, because the mean of its divisors is an integer number (345376080).

Almost surely, 2^4490023988 is an apocalyptic number.

It is an amenable number.

4490023988 is a deficient number, since it is larger than the sum of its proper divisors (3799001932).

4490023988 is a wasteful number, since it uses less digits than its factorization.

4490023988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128087 (or 128085 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 4490023988 is about 67007.6412657542. The cubic root of 4490023988 is about 1649.7427193584.

The spelling of 4490023988 in words is "four billion, four hundred ninety million, twenty-three thousand, nine hundred eighty-eight".