240440000442 has 32 divisors (see below), whose sum is σ = 499353655680. Its totient is φ = 77088742080.

The previous prime is 240440000407. The next prime is 240440000453. The reversal of 240440000442 is 244000044042.

It is a super-2 number, since 2×240440000442² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2581309 + ... + 2672832.

It is an arithmetic number, because the mean of its divisors is an integer number (15604801740).

Almost surely, 2^240440000442 is an apocalyptic number.

240440000442 is an abundant number, since it is smaller than the sum of its proper divisors (258913655238).

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

240440000442 is a wasteful number, since it uses less digits than its factorization.

240440000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254438.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 240440000442 its reverse (244000044042), we get a palindrome (484440044484).

The spelling of 240440000442 in words is "two hundred forty billion, four hundred forty million, four hundred forty-two", and thus it is an aban number.