2149955080 has 64 divisors (see below), whose sum is σ = 5953731840. Its totient is φ = 680424192.

The previous prime is 2149955069. The next prime is 2149955081. The reversal of 2149955080 is 805599412.

It is not an unprimeable number, because it can be changed into a prime (2149955081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291684 + ... + 298963.

It is an arithmetic number, because the mean of its divisors is an integer number (93027060).

Almost surely, 2^2149955080 is an apocalyptic number.

2149955080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149955080 is an abundant number, since it is smaller than the sum of its proper divisors (3803776760).

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

2149955080 is a wasteful number, since it uses less digits than its factorization.

2149955080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590678 (or 590674 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 2149955080 is about 46367.6080901312. The cubic root of 2149955080 is about 1290.6538919949.

The spelling of 2149955080 in words is "two billion, one hundred forty-nine million, nine hundred fifty-five thousand, eighty".