2045162880 has 96 divisors (see below), whose sum is σ = 7062222960. Its totient is φ = 545375232.

The previous prime is 2045162879. The next prime is 2045162891. The reversal of 2045162880 is 882615402.

2045162880 is a `hidden beast` number, since 20 + 4 + 5 + 1 + 628 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171772 + ... + 183291.

Almost surely, 2^2045162880 is an apocalyptic number.

2045162880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045162880 is an abundant number, since it is smaller than the sum of its proper divisors (5017060080).

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

2045162880 is a wasteful number, since it uses less digits than its factorization.

2045162880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355088 (or 355073 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2045162880 is about 45223.4770887865. The cubic root of 2045162880 is about 1269.3341581725.

The spelling of 2045162880 in words is "two billion, forty-five million, one hundred sixty-two thousand, eight hundred eighty".