44444457 has 12 divisors (see below), whose sum is σ = 66575600. Its totient is φ = 29629476.

The previous prime is 44444453. The next prime is 44444459. The reversal of 44444457 is 75444444.

It is not a de Polignac number, because 44444457 - 2² = 44444453 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44444453) 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, 91207 + ... + 91692.

Almost surely, 2^44444457 is an apocalyptic number.

It is an amenable number.

44444457 is a deficient number, since it is larger than the sum of its proper divisors (22131143).

44444457 is an equidigital number, since it uses as much as digits as its factorization.

44444457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182914 (or 182902 counting only the distinct ones).

The product of its digits is 143360, while the sum is 36.

The square root of 44444457 is about 6666.6676083333. The cubic root of 44444457 is about 354.2195564165.

The spelling of 44444457 in words is "forty-four million, four hundred forty-four thousand, four hundred fifty-seven".