2154412400 has 90 divisors (see below), whose sum is σ = 6021087840. Its totient is φ = 738648960.

The previous prime is 2154412399. The next prime is 2154412433. The reversal of 2154412400 is 42144512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35360 + ... + 74559.

It is an arithmetic number, because the mean of its divisors is an integer number (66900976).

Almost surely, 2^2154412400 is an apocalyptic number.

2154412400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154412400 is an abundant number, since it is smaller than the sum of its proper divisors (3866675440).

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

2154412400 is a wasteful number, since it uses less digits than its factorization.

2154412400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109951 (or 109933 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2154412400 is about 46415.6482234171. The cubic root of 2154412400 is about 1291.5452108252.

Adding to 2154412400 its reverse (42144512), we get a palindrome (2196556912).

The spelling of 2154412400 in words is "two billion, one hundred fifty-four million, four hundred twelve thousand, four hundred".