2154851424 has 120 divisors (see below), whose sum is σ = 6913573128. Its totient is φ = 652976640.

The previous prime is 2154851423. The next prime is 2154851437. The reversal of 2154851424 is 4241584512.

2154851424 is a `hidden beast` number, since 2 + 154 + 85 + 1 + 424 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154851423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9277 + ... + 66300.

Almost surely, 2^2154851424 is an apocalyptic number.

2154851424 is a gapful number since it is divisible by the number (24) 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 2154851424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3456786564).

2154851424 is an abundant number, since it is smaller than the sum of its proper divisors (4758721704).

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

2154851424 is a wasteful number, since it uses less digits than its factorization.

2154851424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75610 (or 75593 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 2154851424 is about 46420.3772496519. The cubic root of 2154851424 is about 1291.6329347963.

The spelling of 2154851424 in words is "two billion, one hundred fifty-four million, eight hundred fifty-one thousand, four hundred twenty-four".