240290508900 has 72 divisors (see below), whose sum is σ = 748720592704. Its totient is φ = 59148432000.

The previous prime is 240290508859. The next prime is 240290508917. The reversal of 240290508900 is 9805092042.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30802576 + ... + 30810375.

Almost surely, 2^240290508900 is an apocalyptic number.

240290508900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240290508900 is an abundant number, since it is smaller than the sum of its proper divisors (508430083804).

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

240290508900 is a wasteful number, since it uses less digits than its factorization.

240290508900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61612981 (or 61612974 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 240290508900 in words is "two hundred forty billion, two hundred ninety million, five hundred eight thousand, nine hundred".