461243668 has 12 divisors (see below), whose sum is σ = 833214592. Its totient is φ = 223182360.

The previous prime is 461243663. The next prime is 461243693. The reversal of 461243668 is 866342164.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 461243668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461243663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859730 + ... + 1859977.

Almost surely, 2^461243668 is an apocalyptic number.

It is an amenable number.

461243668 is a deficient number, since it is larger than the sum of its proper divisors (371970924).

461243668 is a wasteful number, since it uses less digits than its factorization.

461243668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719742 (or 3719740 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 461243668 is about 21476.5841790542. The cubic root of 461243668 is about 772.6393198030.

The spelling of 461243668 in words is "four hundred sixty-one million, two hundred forty-three thousand, six hundred sixty-eight".