481890240465 has 32 divisors (see below), whose sum is σ = 812040222720. Its totient is φ = 243350702784.

The previous prime is 481890240457. The next prime is 481890240479. The reversal of 481890240465 is 564042098184.

It is not a de Polignac number, because 481890240465 - 2³ = 481890240457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79272 + ... + 984918.

It is an arithmetic number, because the mean of its divisors is an integer number (25376256960).

Almost surely, 2^481890240465 is an apocalyptic number.

It is an amenable number.

481890240465 is a deficient number, since it is larger than the sum of its proper divisors (330149982255).

481890240465 is a wasteful number, since it uses less digits than its factorization.

481890240465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907541.

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 481890240465 in words is "four hundred eighty-one billion, eight hundred ninety million, two hundred forty thousand, four hundred sixty-five".