240032988 has 36 divisors (see below), whose sum is σ = 653424408. Its totient is φ = 73856160.

The previous prime is 240032977. The next prime is 240033007. The reversal of 240032988 is 889230042.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255978 + ... + 256913.

It is an arithmetic number, because the mean of its divisors is an integer number (18150678).

Almost surely, 2^240032988 is an apocalyptic number.

It is an amenable number.

240032988 is an abundant number, since it is smaller than the sum of its proper divisors (413391420).

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

240032988 is a wasteful number, since it uses less digits than its factorization.

240032988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512914 (or 512909 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 240032988 is about 15492.9980313689. The cubic root of 240032988 is about 621.4749724935.

The spelling of 240032988 in words is "two hundred forty million, thirty-two thousand, nine hundred eighty-eight".