460219978 has 8 divisors (see below), whose sum is σ = 690514272. Its totient is φ = 230048556.

The previous prime is 460219961. The next prime is 460219993. The reversal of 460219978 is 879912064.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20700 + ... + 36727.

It is an arithmetic number, because the mean of its divisors is an integer number (86314284).

Almost surely, 2^460219978 is an apocalyptic number.

460219978 is a deficient number, since it is larger than the sum of its proper divisors (230294294).

460219978 is a wasteful number, since it uses less digits than its factorization.

460219978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61436.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 460219978 is about 21452.7382401408. The cubic root of 460219978 is about 772.0672945983.

The spelling of 460219978 in words is "four hundred sixty million, two hundred nineteen thousand, nine hundred seventy-eight".