2544144402 has 16 divisors (see below), whose sum is σ = 5309519040. Its totient is φ = 811176432.

The previous prime is 2544144397. The next prime is 2544144409. The reversal of 2544144402 is 2044414452.

It is a self number, because there is not a number n which added to its sum of digits gives 2544144402.

It is not an unprimeable number, because it can be changed into a prime (2544144409) 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, 9217777 + ... + 9218052.

It is an arithmetic number, because the mean of its divisors is an integer number (331844940).

Almost surely, 2^2544144402 is an apocalyptic number.

2544144402 is an abundant number, since it is smaller than the sum of its proper divisors (2765374638).

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

2544144402 is a wasteful number, since it uses less digits than its factorization.

2544144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18435857.

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 2544144402 is about 50439.5123092997. The cubic root of 2544144402 is about 1365.1506678003.

Adding to 2544144402 its reverse (2044414452), we get a palindrome (4588558854).

The spelling of 2544144402 in words is "two billion, five hundred forty-four million, one hundred forty-four thousand, four hundred two".