40421212322344 has 48 divisors (see below), whose sum is σ = 88362628920000. Its totient is φ = 17284271947488.

The previous prime is 40421212322339. The next prime is 40421212322363. The reversal of 40421212322344 is 44322321212404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116209344 + ... + 116556655.

It is an arithmetic number, because the mean of its divisors is an integer number (1840888102500).

Almost surely, 2^{40421212322344} is an apocalyptic number.

It is an amenable number.

40421212322344 is an abundant number, since it is smaller than the sum of its proper divisors (47941416597656).

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

40421212322344 is a wasteful number, since it uses less digits than its factorization.

40421212322344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232766462 (or 232766451 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 40421212322344 its reverse (44322321212404), we get a palindrome (84743533534748).

The spelling of 40421212322344 in words is "forty trillion, four hundred twenty-one billion, two hundred twelve million, three hundred twenty-two thousand, three hundred forty-four".