44140357 has 2 divisors, whose sum is σ = 44140358. Its totient is φ = 44140356.

The previous prime is 44140339. The next prime is 44140391. The reversal of 44140357 is 75304144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27050401 + 17089956 = 5201^2 + 4134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44140357 is a prime.

It is a super-2 number, since 2×44140357² = 3896742232174898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44140307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22070178 + 22070179.

It is an arithmetic number, because the mean of its divisors is an integer number (22070179).

Almost surely, 2^44140357 is an apocalyptic number.

It is an amenable number.

44140357 is a deficient number, since it is larger than the sum of its proper divisors (1).

44140357 is an equidigital number, since it uses as much as digits as its factorization.

44140357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 44140357 is about 6643.8209638731. The cubic root of 44140357 is about 353.4098207697.

The spelling of 44140357 in words is "forty-four million, one hundred forty thousand, three hundred fifty-seven".