456533642018 has 32 divisors (see below), whose sum is σ = 744621219840. Its totient is φ = 209129046480.

The previous prime is 456533642003. The next prime is 456533642027. The reversal of 456533642018 is 810246335654.

It is a super-2 number, since 2×456533642018² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540121 + ... + 1812467.

It is an arithmetic number, because the mean of its divisors is an integer number (23269413120).

Almost surely, 2^456533642018 is an apocalyptic number.

456533642018 is a deficient number, since it is larger than the sum of its proper divisors (288087577822).

456533642018 is a wasteful number, since it uses less digits than its factorization.

456533642018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273822.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 456533642018 in words is "four hundred fifty-six billion, five hundred thirty-three million, six hundred forty-two thousand, eighteen".