42344402540 has 72 divisors (see below), whose sum is σ = 101991869280. Its totient is φ = 14728468480.

The previous prime is 42344402537. The next prime is 42344402543. The reversal of 42344402540 is 4520444324.

It is an interprime number because it is at equal distance from previous prime (42344402537) and next prime (42344402543).

It is a junction number, because it is equal to n+sod(n) for n = 42344402497 and 42344402506.

It is not an unprimeable number, because it can be changed into a prime (42344402543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324725 + ... + 436044.

It is an arithmetic number, because the mean of its divisors is an integer number (1416553740).

Almost surely, 2^42344402540 is an apocalyptic number.

It is an amenable number.

42344402540 is an abundant number, since it is smaller than the sum of its proper divisors (59647466740).

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

42344402540 is a wasteful number, since it uses less digits than its factorization.

42344402540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760823 (or 760810 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 42344402540 its reverse (4520444324), we get a palindrome (46864846864).

The spelling of 42344402540 in words is "forty-two billion, three hundred forty-four million, four hundred two thousand, five hundred forty".