42402660464 has 10 divisors (see below), whose sum is σ = 82155154680. Its totient is φ = 21201330224.

The previous prime is 42402660457. The next prime is 42402660481. The reversal of 42402660464 is 46406620424.

It is a super-2 number, since 2×42402660464² (a number of 22 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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325083124 + ... + 1325083155.

It is an arithmetic number, because the mean of its divisors is an integer number (8215515468).

Almost surely, 2^42402660464 is an apocalyptic number.

It is an amenable number.

42402660464 is a deficient number, since it is larger than the sum of its proper divisors (39752494216).

42402660464 is a wasteful number, since it uses less digits than its factorization.

42402660464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650166287 (or 2650166281 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 42402660464 in words is "forty-two billion, four hundred two million, six hundred sixty thousand, four hundred sixty-four".