460721247690 has 128 divisors (see below), whose sum is σ = 1229490669312. Its totient is φ = 109539921920.

The previous prime is 460721247689. The next prime is 460721247709. The reversal of 460721247690 is 96742127064.

It is a super-2 number, since 2×460721247690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86975122 + ... + 86980418.

It is an arithmetic number, because the mean of its divisors is an integer number (9605395854).

Almost surely, 2^460721247690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 460721247690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614745334656).

460721247690 is an abundant number, since it is smaller than the sum of its proper divisors (768769421622).

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

460721247690 is a wasteful number, since it uses less digits than its factorization.

460721247690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10344.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 460721247690 in words is "four hundred sixty billion, seven hundred twenty-one million, two hundred forty-seven thousand, six hundred ninety".