464644426 has 4 divisors (see below), whose sum is σ = 696966642. Its totient is φ = 232322212.

The previous prime is 464644421. The next prime is 464644457. The reversal of 464644426 is 624446464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 434931025 + 29713401 = 20855^2 + 5451^2 .

It is a super-2 number, since 2×464644426² = 431788885225738952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (464644421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116161105 + ... + 116161108.

Almost surely, 2^464644426 is an apocalyptic number.

464644426 is a deficient number, since it is larger than the sum of its proper divisors (232322216).

464644426 is a wasteful number, since it uses less digits than its factorization.

464644426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232322215.

The product of its digits is 442368, while the sum is 40.

The square root of 464644426 is about 21555.6124014142. The cubic root of 464644426 is about 774.5335665760.

The spelling of 464644426 in words is "four hundred sixty-four million, six hundred forty-four thousand, four hundred twenty-six".