2151390080 has 192 divisors, whose sum is σ = 6178654080. Its totient is φ = 713502720.

The previous prime is 2151390037. The next prime is 2151390091. The reversal of 2151390080 is 800931512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 971054 + ... + 973266.

It is an arithmetic number, because the mean of its divisors is an integer number (32180490).

Almost surely, 2^2151390080 is an apocalyptic number.

2151390080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2151390080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3089327040).

2151390080 is an abundant number, since it is smaller than the sum of its proper divisors (4027264000).

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

2151390080 is a wasteful number, since it uses less digits than its factorization.

2151390080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 2151390080 is about 46383.0796735189. The cubic root of 2151390080 is about 1290.9409796094.

The spelling of 2151390080 in words is "two billion, one hundred fifty-one million, three hundred ninety thousand, eighty".