25453223400 has 96 divisors (see below), whose sum is σ = 86078196000. Its totient is φ = 6170476800.

The previous prime is 25453223381. The next prime is 25453223431. The reversal of 25453223400 is 432235452.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921675 + ... + 1934874.

It is an arithmetic number, because the mean of its divisors is an integer number (896647875).

Almost surely, 2^25453223400 is an apocalyptic number.

25453223400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25453223400 is an abundant number, since it is smaller than the sum of its proper divisors (60624972600).

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

25453223400 is a wasteful number, since it uses less digits than its factorization.

25453223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856579 (or 3856570 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 25453223400 its reverse (432235452), we get a palindrome (25885458852).

The spelling of 25453223400 in words is "twenty-five billion, four hundred fifty-three million, two hundred twenty-three thousand, four hundred".