42428060640408 has 64 divisors (see below), whose sum is σ = 107682628504320. Its totient is φ = 13927805020800.

The previous prime is 42428060640397. The next prime is 42428060640431. The reversal of 42428060640408 is 80404606082424.

42428060640408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42428060640408² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309178 + ... + 9496758.

It is an arithmetic number, because the mean of its divisors is an integer number (1682541070380).

Almost surely, 2^{42428060640408} is an apocalyptic number.

It is an amenable number.

42428060640408 is an abundant number, since it is smaller than the sum of its proper divisors (65254567863912).

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

42428060640408 is a wasteful number, since it uses less digits than its factorization.

42428060640408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191328 (or 7191324 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 48.

The spelling of 42428060640408 in words is "forty-two trillion, four hundred twenty-eight billion, sixty million, six hundred forty thousand, four hundred eight".