42127579740 has 24 divisors (see below), whose sum is σ = 117957223440. Its totient is φ = 11234021248.

The previous prime is 42127579733. The next prime is 42127579771. The reversal of 42127579740 is 4797572124.

It is a self number, because there is not a number n which added to its sum of digits gives 42127579740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351063105 + ... + 351063224.

It is an arithmetic number, because the mean of its divisors is an integer number (4914884310).

Almost surely, 2^42127579740 is an apocalyptic number.

It is an amenable number.

42127579740 is an abundant number, since it is smaller than the sum of its proper divisors (75829643700).

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

42127579740 is a wasteful number, since it uses less digits than its factorization.

42127579740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702126341 (or 702126339 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 42127579740 in words is "forty-two billion, one hundred twenty-seven million, five hundred seventy-nine thousand, seven hundred forty".