2542044 has 36 divisors (see below), whose sum is σ = 6309464. Its totient is φ = 796416.

The previous prime is 2542037. The next prime is 2542049. The reversal of 2542044 is 4402452.

It is a self number, because there is not a number n which added to its sum of digits gives 2542044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3102 + ... + 3834.

2^2542044 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 2542044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3154732).

2542044 is an abundant number, since it is smaller than the sum of its proper divisors (3767420).

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

2542044 is a wasteful number, since it uses less digits than its factorization.

2542044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2542044 is about 1594.3788759263. The cubic root of 2542044 is about 136.4774882705.

Adding to 2542044 its reverse (4402452), we get a palindrome (6944496).

The spelling of 2542044 in words is "two million, five hundred forty-two thousand, forty-four".