90277413444 has 27 divisors (see below), whose sum is σ = 228205796637. Its totient is φ = 30091870224.

The previous prime is 90277413403. The next prime is 90277413509. The reversal of 90277413444 is 44431477209.

The square root of 90277413444 is 300462.

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., 75663504900 + 14613908544 = 275070^2 + 120888^2 .

It is a super-2 number, since 2×90277413444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90277413444.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1777734 + ... + 1827810.

Almost surely, 2^90277413444 is an apocalyptic number.

90277413444 is the 300462-nd square number.

It is an amenable number.

90277413444 is an abundant number, since it is smaller than the sum of its proper divisors (137928383193).

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

90277413444 is an frugal number, since it uses more digits than its factorization.

90277413444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100164 (or 50082 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 90277413444 in words is "ninety billion, two hundred seventy-seven million, four hundred thirteen thousand, four hundred forty-four".