2157377024 has 80 divisors (see below), whose sum is σ = 4749338880. Its totient is φ = 970844160.

The previous prime is 2157377009. The next prime is 2157377083. The reversal of 2157377024 is 4207737512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578237 + ... + 581955.

It is an arithmetic number, because the mean of its divisors is an integer number (59366736).

Almost surely, 2^2157377024 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 2157377024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374669440).

2157377024 is an abundant number, since it is smaller than the sum of its proper divisors (2591961856).

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

2157377024 is a wasteful number, since it uses less digits than its factorization.

2157377024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851 (or 3835 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 2157377024 is about 46447.5728537025. The cubic root of 2157377024 is about 1292.1373585140.

The spelling of 2157377024 in words is "two billion, one hundred fifty-seven million, three hundred seventy-seven thousand, twenty-four".