8845149780 has 120 divisors (see below), whose sum is σ = 27771320808. Its totient is φ = 2356687872.

The previous prime is 8845149779. The next prime is 8845149791. The reversal of 8845149780 is 879415488.

8845149780 is a `hidden beast` number, since 88 + 451 + 49 + 78 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 559417104 + 8285732676 = 23652^2 + 91026^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3719952 + ... + 3722328.

Almost surely, 2^8845149780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8845149780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13885660404).

8845149780 is an abundant number, since it is smaller than the sum of its proper divisors (18926171028).

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

8845149780 is a wasteful number, since it uses less digits than its factorization.

8845149780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695 (or 4684 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 8845149780 is about 94048.6564497335. The cubic root of 8845149780 is about 2068.0850595480.

The spelling of 8845149780 in words is "eight billion, eight hundred forty-five million, one hundred forty-nine thousand, seven hundred eighty".