24481990 has 16 divisors (see below), whose sum is σ = 47457648. Its totient is φ = 9039456.

The previous prime is 24481987. The next prime is 24481999. The reversal of 24481990 is 9918442.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24481999) 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, 94032 + ... + 94291.

It is an arithmetic number, because the mean of its divisors is an integer number (2966103).

Almost surely, 2^24481990 is an apocalyptic number.

24481990 is a deficient number, since it is larger than the sum of its proper divisors (22975658).

24481990 is a wasteful number, since it uses less digits than its factorization.

24481990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188343.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 24481990 is about 4947.9278491102. The cubic root of 24481990 is about 290.3681017285.

The spelling of 24481990 in words is "twenty-four million, four hundred eighty-one thousand, nine hundred ninety".