42456196968964 has 27 divisors (see below), whose sum is σ = 75580351377447. Its totient is φ = 20867922286248.

The previous prime is 42456196968961. The next prime is 42456196969003. The reversal of 42456196968964 is 46986969165424.

The square root of 42456196968964 is 6515842.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×42456196968964² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42456196968961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 768841747 + ... + 768896965.

Almost surely, 2^{42456196968964} is an apocalyptic number.

42456196968964 is the 6515842-nd square number.

It is an amenable number.

42456196968964 is a deficient number, since it is larger than the sum of its proper divisors (33124154408483).

42456196968964 is an frugal number, since it uses more digits than its factorization.

42456196968964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110560 (or 55280 counting only the distinct ones).

The product of its digits is 4837294080, while the sum is 79.

The spelling of 42456196968964 in words is "forty-two trillion, four hundred fifty-six billion, one hundred ninety-six million, nine hundred sixty-eight thousand, nine hundred sixty-four".