42345502464 has 144 divisors (see below), whose sum is σ = 118794663680. Its totient is φ = 13353984000.

The previous prime is 42345502429. The next prime is 42345502477. The reversal of 42345502464 is 46420554324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14108964 + ... + 14111964.

Almost surely, 2^42345502464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42345502464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59397331840).

42345502464 is an abundant number, since it is smaller than the sum of its proper divisors (76449161216).

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

42345502464 is a wasteful number, since it uses less digits than its factorization.

42345502464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006 (or 3992 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 42345502464 in words is "forty-two billion, three hundred forty-five million, five hundred two thousand, four hundred sixty-four".