42113561880 has 128 divisors (see below), whose sum is σ = 139223589120. Its totient is φ = 10125319680.

The previous prime is 42113561869. The next prime is 42113561983. The reversal of 42113561880 is 8816531124.

42113561880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246826 + ... + 380985.

It is an arithmetic number, because the mean of its divisors is an integer number (1087684290).

Almost surely, 2^42113561880 is an apocalyptic number.

42113561880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42113561880 is an abundant number, since it is smaller than the sum of its proper divisors (97110027240).

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

42113561880 is a wasteful number, since it uses less digits than its factorization.

42113561880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627881 (or 627877 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 42113561880 in words is "forty-two billion, one hundred thirteen million, five hundred sixty-one thousand, eight hundred eighty".