2251243104 has 48 divisors (see below), whose sum is σ = 6446744640. Its totient is φ = 682194560.

The previous prime is 2251243103. The next prime is 2251243123. The reversal of 2251243104 is 4013421522.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251243103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064874 + ... + 1066985.

It is an arithmetic number, because the mean of its divisors is an integer number (134307180).

Almost surely, 2^2251243104 is an apocalyptic number.

2251243104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2251243104 is an abundant number, since it is smaller than the sum of its proper divisors (4195501536).

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

2251243104 is a wasteful number, since it uses less digits than its factorization.

2251243104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131883 (or 2131875 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2251243104 is about 47447.2665598346. The cubic root of 2251243104 is about 1310.6119752019.

Adding to 2251243104 its reverse (4013421522), we get a palindrome (6264664626).

The spelling of 2251243104 in words is "two billion, two hundred fifty-one million, two hundred forty-three thousand, one hundred four".