42108262780 has 24 divisors (see below), whose sum is σ = 88432752240. Its totient is φ = 16842276480.

The previous prime is 42108262747. The next prime is 42108262787. The reversal of 42108262780 is 8726280124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42108262787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330520 + ... + 439840.

It is an arithmetic number, because the mean of its divisors is an integer number (3684698010).

Almost surely, 2^42108262780 is an apocalyptic number.

It is an amenable number.

42108262780 is an abundant number, since it is smaller than the sum of its proper divisors (46324489460).

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

42108262780 is a wasteful number, since it uses less digits than its factorization.

42108262780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128589 (or 128587 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 42108262780 in words is "forty-two billion, one hundred eight million, two hundred sixty-two thousand, seven hundred eighty".