246420902464 has 63 divisors (see below), whose sum is σ = 537581799993. Its totient is φ = 111989644800.

The previous prime is 246420902461. The next prime is 246420902479. The reversal of 246420902464 is 464209024642.

The square root of 246420902464 is 496408.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 243633062464 + 2787840000 = 493592^2 + 52800^2 .

It is a super-2 number, since 2×246420902464² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 246420902464.

It is not an unprimeable number, because it can be changed into a prime (246420902461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43681084 + ... + 43686724.

Almost surely, 2^246420902464 is an apocalyptic number.

246420902464 is the 496408-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 246420902464

246420902464 is an abundant number, since it is smaller than the sum of its proper divisors (291160897529).

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

246420902464 is an frugal number, since it uses more digits than its factorization.

246420902464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316 (or 5654 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 246420902464 in words is "two hundred forty-six billion, four hundred twenty million, nine hundred two thousand, four hundred sixty-four".