240442151490 has 64 divisors (see below), whose sum is σ = 678895499520. Its totient is φ = 60346264320.

The previous prime is 240442151441. The next prime is 240442151491. The reversal of 240442151490 is 94151244042.

240442151490 is a `hidden beast` number, since 24 + 0 + 442 + 151 + 49 + 0 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240442151491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26187366 + ... + 26196545.

It is an arithmetic number, because the mean of its divisors is an integer number (10607742180).

Almost surely, 2^240442151490 is an apocalyptic number.

240442151490 is an abundant number, since it is smaller than the sum of its proper divisors (438453348030).

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

240442151490 is a wasteful number, since it uses less digits than its factorization.

240442151490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52383944 (or 52383938 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 240442151490 in words is "two hundred forty billion, four hundred forty-two million, one hundred fifty-one thousand, four hundred ninety".