42377873820 has 48 divisors (see below), whose sum is σ = 119563855488. Its totient is φ = 11214498880.

The previous prime is 42377873801. The next prime is 42377873827. The reversal of 42377873820 is 2837877324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42377873827) 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, 2687934 + ... + 2703653.

It is an arithmetic number, because the mean of its divisors is an integer number (2490913656).

Almost surely, 2^42377873820 is an apocalyptic number.

It is an amenable number.

42377873820 is an abundant number, since it is smaller than the sum of its proper divisors (77185981668).

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

42377873820 is a wasteful number, since it uses less digits than its factorization.

42377873820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391730 (or 5391728 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 42377873820 in words is "forty-two billion, three hundred seventy-seven million, eight hundred seventy-three thousand, eight hundred twenty".