465720344890 has 32 divisors (see below), whose sum is σ = 844423968960. Its totient is φ = 184929174144.

The previous prime is 465720344863. The next prime is 465720344891. The reversal of 465720344890 is 98443027564.

It is a super-2 number, since 2×465720344890² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (465720344891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233862 + ... + 1566478.

It is an arithmetic number, because the mean of its divisors is an integer number (26388249030).

Almost surely, 2^465720344890 is an apocalyptic number.

465720344890 is a deficient number, since it is larger than the sum of its proper divisors (378703624070).

465720344890 is a wasteful number, since it uses less digits than its factorization.

465720344890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333646.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 465720344890 in words is "four hundred sixty-five billion, seven hundred twenty million, three hundred forty-four thousand, eight hundred ninety".