240250638 has 32 divisors (see below), whose sum is σ = 487702656. Its totient is φ = 78889248.

The previous prime is 240250627. The next prime is 240250639. The reversal of 240250638 is 836052042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240250639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304881 + ... + 305667.

It is an arithmetic number, because the mean of its divisors is an integer number (15240708).

Almost surely, 2^240250638 is an apocalyptic number.

240250638 is an abundant number, since it is smaller than the sum of its proper divisors (247452018).

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

240250638 is a wasteful number, since it uses less digits than its factorization.

240250638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 240250638 is about 15500.0205806315. The cubic root of 240250638 is about 621.6627566337.

The spelling of 240250638 in words is "two hundred forty million, two hundred fifty thousand, six hundred thirty-eight".