464262021 has 12 divisors (see below), whose sum is σ = 670945548. Its totient is φ = 309348864.

The previous prime is 464261999. The next prime is 464262037. The reversal of 464262021 is 120262464.

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 436224996 = 5295^2 + 20886^2 .

It is not a de Polignac number, because 464262021 - 2⁷ = 464261893 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464262121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6811 + ... + 31223.

It is an arithmetic number, because the mean of its divisors is an integer number (55912129).

Almost surely, 2^464262021 is an apocalyptic number.

It is an amenable number.

464262021 is a deficient number, since it is larger than the sum of its proper divisors (206683527).

464262021 is a wasteful number, since it uses less digits than its factorization.

464262021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26532 (or 26529 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 464262021 is about 21546.7403799275. The cubic root of 464262021 is about 774.3210264175.

The spelling of 464262021 in words is "four hundred sixty-four million, two hundred sixty-two thousand, twenty-one".