456420331 has 8 divisors (see below), whose sum is σ = 459128384. Its totient is φ = 453720960.

The previous prime is 456420329. The next prime is 456420359. The reversal of 456420331 is 133024654.

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

It is a cyclic number.

It is not a de Polignac number, because 456420331 - 2¹ = 456420329 is a prime.

It is a super-2 number, since 2×456420331² = 416639037100299122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 456420331.

It is not an unprimeable number, because it can be changed into a prime (456420311) 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, 123886 + ... + 127516.

It is an arithmetic number, because the mean of its divisors is an integer number (57391048).

Almost surely, 2^456420331 is an apocalyptic number.

456420331 is a deficient number, since it is larger than the sum of its proper divisors (2708053).

456420331 is a wasteful number, since it uses less digits than its factorization.

456420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 456420331 is about 21363.9961383633. The cubic root of 456420331 is about 769.9366513353.

Adding to 456420331 its reverse (133024654), we get a palindrome (589444985).

The spelling of 456420331 in words is "four hundred fifty-six million, four hundred twenty thousand, three hundred thirty-one".