42000000401016 has 128 divisors (see below), whose sum is σ = 134104048358400. Its totient is φ = 11930635877760.

The previous prime is 42000000400949. The next prime is 42000000401017. The reversal of 42000000401016 is 61010400000024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 42000000401016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000000401017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80021020 + ... + 80544171.

It is an arithmetic number, because the mean of its divisors is an integer number (1047687877800).

Almost surely, 2^{42000000401016} is an apocalyptic number.

It is an amenable number.

42000000401016 is an abundant number, since it is smaller than the sum of its proper divisors (92104047957384).

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

42000000401016 is a wasteful number, since it uses less digits than its factorization.

42000000401016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160565386 (or 160565376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The spelling of 42000000401016 in words is "forty-two trillion, four hundred one thousand, sixteen".