464557818 has 16 divisors (see below), whose sum is σ = 969512256. Its totient is φ = 148119840.

The previous prime is 464557817. The next prime is 464557859. The reversal of 464557818 is 818755464.

It is a super-2 number, since 2×464557818² = 431627932529842248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (464557813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1683043 + ... + 1683318.

It is an arithmetic number, because the mean of its divisors is an integer number (60594516).

Almost surely, 2^464557818 is an apocalyptic number.

464557818 is an abundant number, since it is smaller than the sum of its proper divisors (504954438).

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

464557818 is a wasteful number, since it uses less digits than its factorization.

464557818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366389.

The product of its digits is 1075200, while the sum is 48.

The square root of 464557818 is about 21553.6033646349. The cubic root of 464557818 is about 774.4854401897.

The spelling of 464557818 in words is "four hundred sixty-four million, five hundred fifty-seven thousand, eight hundred eighteen".