461819340 has 48 divisors (see below), whose sum is σ = 1436772960. Its totient is φ = 123151680.

The previous prime is 461819333. The next prime is 461819353. The reversal of 461819340 is 43918164.

461819340 is a `hidden beast` number, since 4 + 618 + 1 + 9 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 461819295 and 461819304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427071 + ... + 428150.

It is an arithmetic number, because the mean of its divisors is an integer number (29932770).

Almost surely, 2^461819340 is an apocalyptic number.

It is an amenable number.

461819340 is an abundant number, since it is smaller than the sum of its proper divisors (974953620).

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

461819340 is a wasteful number, since it uses less digits than its factorization.

461819340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855239 (or 855231 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 461819340 is about 21489.9823173496. The cubic root of 461819340 is about 772.9606264047.

The spelling of 461819340 in words is "four hundred sixty-one million, eight hundred nineteen thousand, three hundred forty".