44400130 has 16 divisors (see below), whose sum is σ = 81870264. Its totient is φ = 17326720.

The previous prime is 44400127. The next prime is 44400137. The reversal of 44400130 is 3100444.

It can be written as a sum of positive squares in 4 ways, for example, as 9223369 + 35176761 = 3037^2 + 5931^2 .

It is not an unprimeable number, because it can be changed into a prime (44400137) 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, 53737 + ... + 54556.

Almost surely, 2^44400130 is an apocalyptic number.

44400130 is a deficient number, since it is larger than the sum of its proper divisors (37470134).

44400130 is a wasteful number, since it uses less digits than its factorization.

44400130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108341.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 44400130 is about 6663.3422544546. The cubic root of 44400130 is about 354.1017561010.

Adding to 44400130 its reverse (3100444), we get a palindrome (47500574).

The spelling of 44400130 in words is "forty-four million, four hundred thousand, one hundred thirty".