42216544102440 has 64 divisors (see below), whose sum is σ = 126994726805760. Its totient is φ = 11227070027520.

The previous prime is 42216544102423. The next prime is 42216544102483. The reversal of 42216544102440 is 4420144561224.

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, 479253691 + ... + 479341770.

It is an arithmetic number, because the mean of its divisors is an integer number (1984292606340).

Almost surely, 2^{42216544102440} is an apocalyptic number.

42216544102440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42216544102440 is an abundant number, since it is smaller than the sum of its proper divisors (84778182703320).

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

42216544102440 is a wasteful number, since it uses less digits than its factorization.

42216544102440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958595842 (or 958595838 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 42216544102440 its reverse (4420144561224), we get a palindrome (46636688663664).

The spelling of 42216544102440 in words is "forty-two trillion, two hundred sixteen billion, five hundred forty-four million, one hundred two thousand, four hundred forty".