44540274253 has 2 divisors, whose sum is σ = 44540274254. Its totient is φ = 44540274252.

The previous prime is 44540274211. The next prime is 44540274263. The reversal of 44540274253 is 35247204544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29240316004 + 15299958249 = 170998^2 + 123693^2 .

It is a cyclic number.

It is not a de Polignac number, because 44540274253 - 2²⁹ = 44003403341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44540274263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22270137126 + 22270137127.

It is an arithmetic number, because the mean of its divisors is an integer number (22270137127).

Almost surely, 2^44540274253 is an apocalyptic number.

It is an amenable number.

44540274253 is a deficient number, since it is larger than the sum of its proper divisors (1).

44540274253 is an equidigital number, since it uses as much as digits as its factorization.

44540274253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 40.

Adding to 44540274253 its reverse (35247204544), we get a palindrome (79787478797).

The spelling of 44540274253 in words is "forty-four billion, five hundred forty million, two hundred seventy-four thousand, two hundred fifty-three".