42311520120 has 64 divisors (see below), whose sum is σ = 129886542720. Its totient is φ = 11020673664.

The previous prime is 42311520073. The next prime is 42311520127. The reversal of 42311520120 is 2102511324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311520127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4094794 + ... + 4105113.

It is an arithmetic number, because the mean of its divisors is an integer number (2029477230).

Almost surely, 2^42311520120 is an apocalyptic number.

42311520120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42311520120 is an abundant number, since it is smaller than the sum of its proper divisors (87575022600).

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

42311520120 is a wasteful number, since it uses less digits than its factorization.

42311520120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8199964 (or 8199960 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 42311520120 in words is "forty-two billion, three hundred eleven million, five hundred twenty thousand, one hundred twenty".