2504223400 has 144 divisors (see below), whose sum is σ = 6992231040. Its totient is φ = 830793600.

The previous prime is 2504223383. The next prime is 2504223401. The reversal of 2504223400 is 43224052.

It is a super-2 number, since 2×2504223400² = 12542269674215120000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2504223401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 299679 + ... + 307921.

It is an arithmetic number, because the mean of its divisors is an integer number (48557160).

Almost surely, 2^2504223400 is an apocalyptic number.

2504223400 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 2504223400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3496115520).

2504223400 is an abundant number, since it is smaller than the sum of its proper divisors (4488007640).

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

2504223400 is a wasteful number, since it uses less digits than its factorization.

2504223400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304 (or 8288 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2504223400 is about 50042.2161779432. The cubic root of 2504223400 is about 1357.9726497485.

Adding to 2504223400 its reverse (43224052), we get a palindrome (2547447452).

The spelling of 2504223400 in words is "two billion, five hundred four million, two hundred twenty-three thousand, four hundred".