42406663610456 has 32 divisors (see below), whose sum is σ = 80818449859440. Its totient is φ = 20856011899008.

The previous prime is 42406663610453. The next prime is 42406663610551. The reversal of 42406663610456 is 65401636660424.

It is a junction number, because it is equal to n+sod(n) for n = 42406663610398 and 42406663610407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42406663610453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58069115 + ... + 58794858.

Almost surely, 2^{42406663610456} is an apocalyptic number.

It is an amenable number.

42406663610456 is a deficient number, since it is larger than the sum of its proper divisors (38411786248984).

42406663610456 is a wasteful number, since it uses less digits than its factorization.

42406663610456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116864723 (or 116864719 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 42406663610456 in words is "forty-two trillion, four hundred six billion, six hundred sixty-three million, six hundred ten thousand, four hundred fifty-six".