461564562768 has 40 divisors (see below), whose sum is σ = 1192531310016. Its totient is φ = 153834700800.

The previous prime is 461564562763. The next prime is 461564562773. The reversal of 461564562768 is 867265465164.

It is an interprime number because it is at equal distance from previous prime (461564562763) and next prime (461564562773).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461564562763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257268 + ... + 994643.

Almost surely, 2^461564562768 is an apocalyptic number.

461564562768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

461564562768 is an abundant number, since it is smaller than the sum of its proper divisors (730966747248).

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

461564562768 is a wasteful number, since it uses less digits than its factorization.

461564562768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259603 (or 1259597 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 60.

The spelling of 461564562768 in words is "four hundred sixty-one billion, five hundred sixty-four million, five hundred sixty-two thousand, seven hundred sixty-eight".