464026290 has 128 divisors (see below), whose sum is σ = 1415135232. Its totient is φ = 94728960.

The previous prime is 464026247. The next prime is 464026291. The reversal of 464026290 is 92620464.

It is a happy number.

It is a super-2 number, since 2×464026290² = 430640795622328200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (464026291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81889 + ... + 87371.

It is an arithmetic number, because the mean of its divisors is an integer number (11055744).

Almost surely, 2^464026290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464026290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707567616).

464026290 is an abundant number, since it is smaller than the sum of its proper divisors (951108942).

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

464026290 is a wasteful number, since it uses less digits than its factorization.

464026290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 464026290 is about 21541.2694611994. The cubic root of 464026290 is about 774.1899493073.

The spelling of 464026290 in words is "four hundred sixty-four million, twenty-six thousand, two hundred ninety".