42012553880 has 64 divisors (see below), whose sum is σ = 104142840480. Its totient is φ = 15126016000.

The previous prime is 42012553879. The next prime is 42012553889. The reversal of 42012553880 is 8835521024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012553889) 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, 428249 + ... + 517128.

Almost surely, 2^42012553880 is an apocalyptic number.

42012553880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42012553880 is an abundant number, since it is smaller than the sum of its proper divisors (62130286600).

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

42012553880 is a wasteful number, since it uses less digits than its factorization.

42012553880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945500 (or 945496 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 42012553880 in words is "forty-two billion, twelve million, five hundred fifty-three thousand, eight hundred eighty".