2451154244 has 72 divisors (see below), whose sum is σ = 5590775232. Its totient is φ = 929154240.

The previous prime is 2451154243. The next prime is 2451154247. The reversal of 2451154244 is 4424511542.

It is a self number, because there is not a number n which added to its sum of digits gives 2451154244.

It is not an unprimeable number, because it can be changed into a prime (2451154243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64409 + ... + 95135.

It is an arithmetic number, because the mean of its divisors is an integer number (77649656).

Almost surely, 2^2451154244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451154244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2795387616).

2451154244 is an abundant number, since it is smaller than the sum of its proper divisors (3139620988).

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

2451154244 is a wasteful number, since it uses less digits than its factorization.

2451154244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30793 (or 30784 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 2451154244 is about 49509.1329352474. The cubic root of 2451154244 is about 1348.3114222351.

Adding to 2451154244 its reverse (4424511542), we get a palindrome (6875665786).

The spelling of 2451154244 in words is "two billion, four hundred fifty-one million, one hundred fifty-four thousand, two hundred forty-four".