1080622620900 has 81 divisors (see below), whose sum is σ = 3387249323913. Its totient is φ = 288157716000.

The previous prime is 1080622620881. The next prime is 1080622620907. The reversal of 1080622620900 is 90262260801.

It is a happy number.

The square root of 1080622620900 is 1039530.

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

1080622620900 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 6 + 22 + 620 + 9 + 0 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 389024143524 + 691598477376 = 623718^2 + 831624^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1080622620907) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31168575 + ... + 31203225.

Almost surely, 2^{1080622620900} is an apocalyptic number.

1080622620900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1080622620900 is the 1039530-th square number.

It is an amenable number.

1080622620900 is an abundant number, since it is smaller than the sum of its proper divisors (2306626703013).

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

1080622620900 is an frugal number, since it uses more digits than its factorization.

1080622620900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69322 (or 34661 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Multiplying 1080622620900 by its sum of digits (36), we get a square (38902414352400 = 6237180²).

1080622620900 divided by its sum of digits (36) gives a square (30017295025 = 173255²).

The spelling of 1080622620900 in words is "one trillion, eighty billion, six hundred twenty-two million, six hundred twenty thousand, nine hundred".