42642896398 has 8 divisors (see below), whose sum is σ = 63969302808. Its totient is φ = 21319795464.

The previous prime is 42642896377. The next prime is 42642896431. The reversal of 42642896398 is 89369824624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42642896398² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793861 + ... + 845872.

It is an arithmetic number, because the mean of its divisors is an integer number (7996162851).

Almost surely, 2^42642896398 is an apocalyptic number.

42642896398 is a deficient number, since it is larger than the sum of its proper divisors (21326406410).

42642896398 is a wasteful number, since it uses less digits than its factorization.

42642896398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652738.

The product of its digits is 35831808, while the sum is 61.

The spelling of 42642896398 in words is "forty-two billion, six hundred forty-two million, eight hundred ninety-six thousand, three hundred ninety-eight".