2154395376 has 120 divisors (see below), whose sum is σ = 6901023584. Its totient is φ = 614615040.

The previous prime is 2154395339. The next prime is 2154395429. The reversal of 2154395376 is 6735934512.

It is a super-2 number, since 2×2154395376² = 9282838872260362752, which contains 22 as substring.

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, 943356 + ... + 945636.

Almost surely, 2^2154395376 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 2154395376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3450511792).

2154395376 is an abundant number, since it is smaller than the sum of its proper divisors (4746628208).

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

2154395376 is a wasteful number, since it uses less digits than its factorization.

2154395376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239 (or 3230 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 2154395376 is about 46415.4648366253. The cubic root of 2154395376 is about 1291.5418089195.

The spelling of 2154395376 in words is "two billion, one hundred fifty-four million, three hundred ninety-five thousand, three hundred seventy-six".