42415318618928 has 10 divisors (see below), whose sum is σ = 82179679824204. Its totient is φ = 21207659309456.

The previous prime is 42415318618927. The next prime is 42415318618961. The reversal of 42415318618928 is 82981681351424.

It is a happy number.

It is a super-2 number, since 2×42415318618928² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42415318618927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325478706826 + ... + 1325478706857.

Almost surely, 2^{42415318618928} is an apocalyptic number.

It is an amenable number.

42415318618928 is a deficient number, since it is larger than the sum of its proper divisors (39764361205276).

42415318618928 is a wasteful number, since it uses less digits than its factorization.

42415318618928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650957413691 (or 2650957413685 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 62.

The spelling of 42415318618928 in words is "forty-two trillion, four hundred fifteen billion, three hundred eighteen million, six hundred eighteen thousand, nine hundred twenty-eight".