42049521000788 has 72 divisors (see below), whose sum is σ = 90108060940800. Its totient is φ = 17072369419392.

The previous prime is 42049521000787. The next prime is 42049521000793. The reversal of 42049521000788 is 88700012594024.

It is a super-2 number, since 2×42049521000788² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42049521000787) 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, 231664973 + ... + 231846411.

It is an arithmetic number, because the mean of its divisors is an integer number (1251500846400).

Almost surely, 2^{42049521000788} is an apocalyptic number.

It is an amenable number.

42049521000788 is an abundant number, since it is smaller than the sum of its proper divisors (48058539940012).

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

42049521000788 is a wasteful number, since it uses less digits than its factorization.

42049521000788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243709 (or 243700 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 42049521000788 in words is "forty-two trillion, forty-nine billion, five hundred twenty-one million, seven hundred eighty-eight", and thus it is an aban number.