44202457 has 12 divisors (see below), whose sum is σ = 49164780. Its totient is φ = 39693888.

The previous prime is 44202451. The next prime is 44202461. The reversal of 44202457 is 75420244.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2483776 + 41718681 = 1576^2 + 6459^2 .

It is a de Polignac number, because none of the positive numbers 2^k-44202457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44202451) 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, 2719 + ... + 9787.

It is an arithmetic number, because the mean of its divisors is an integer number (4097065).

Almost surely, 2^44202457 is an apocalyptic number.

It is an amenable number.

44202457 is a deficient number, since it is larger than the sum of its proper divisors (4962323).

44202457 is a wasteful number, since it uses less digits than its factorization.

44202457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132 (or 7119 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 44202457 is about 6648.4928367262. The cubic root of 44202457 is about 353.5754776823.

The spelling of 44202457 in words is "forty-four million, two hundred two thousand, four hundred fifty-seven".