42121500344 has 64 divisors (see below), whose sum is σ = 100475424000. Its totient is φ = 16410962400.

The previous prime is 42121500331. The next prime is 42121500353. The reversal of 42121500344 is 44300512124.

42121500344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 667562 + ... + 727929.

It is an arithmetic number, because the mean of its divisors is an integer number (1569928500).

Almost surely, 2^42121500344 is an apocalyptic number.

42121500344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42121500344 is an abundant number, since it is smaller than the sum of its proper divisors (58353923656).

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

42121500344 is a wasteful number, since it uses less digits than its factorization.

42121500344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395529 (or 1395511 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 42121500344 in words is "forty-two billion, one hundred twenty-one million, five hundred thousand, three hundred forty-four".