2505047444 has 24 divisors (see below), whose sum is σ = 4645784808. Its totient is φ = 1177809920.

The previous prime is 2505047443. The next prime is 2505047449. The reversal of 2505047444 is 4447405052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1250471044 + 1254576400 = 35362^2 + 35420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505047443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64712 + ... + 95904.

It is an arithmetic number, because the mean of its divisors is an integer number (193574367).

Almost surely, 2^2505047444 is an apocalyptic number.

It is an amenable number.

2505047444 is a deficient number, since it is larger than the sum of its proper divisors (2140737364).

2505047444 is a wasteful number, since it uses less digits than its factorization.

2505047444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32395 (or 32393 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The square root of 2505047444 is about 50050.4489889951. The cubic root of 2505047444 is about 1358.1215856746.

The spelling of 2505047444 in words is "two billion, five hundred five million, forty-seven thousand, four hundred forty-four".