42387056580 has 192 divisors, whose sum is σ = 133271470080. Its totient is φ = 9978508800.

The previous prime is 42387056557. The next prime is 42387056581. The reversal of 42387056580 is 8565078324.

It is a super-2 number, since 2×42387056580² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42387056581) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3173877 + ... + 3187203.

It is an arithmetic number, because the mean of its divisors is an integer number (694122240).

Almost surely, 2^42387056580 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 42387056580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66635735040).

42387056580 is an abundant number, since it is smaller than the sum of its proper divisors (90884413500).

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

42387056580 is a wasteful number, since it uses less digits than its factorization.

42387056580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13490 (or 13488 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 42387056580 in words is "forty-two billion, three hundred eighty-seven million, fifty-six thousand, five hundred eighty".