44043457 has 4 divisors (see below), whose sum is σ = 44168580. Its totient is φ = 43918336.

The previous prime is 44043449. The next prime is 44043491. The reversal of 44043457 is 75434044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23030401 + 21013056 = 4799^2 + 4584^2 .

It is a cyclic number.

It is not a de Polignac number, because 44043457 - 2³ = 44043449 is a prime.

It is a super-2 number, since 2×44043457² = 3879652209021698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44043407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62032 + ... + 62737.

It is an arithmetic number, because the mean of its divisors is an integer number (11042145).

Almost surely, 2^44043457 is an apocalyptic number.

It is an amenable number.

44043457 is a deficient number, since it is larger than the sum of its proper divisors (125123).

44043457 is a wasteful number, since it uses less digits than its factorization.

44043457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125122.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 44043457 is about 6636.5244669179. The cubic root of 44043457 is about 353.1510213106.

It can be divided in two parts, 4 and 4043457, that multiplied together give a triangular number (16173828 = T₅₆₈₇).

The spelling of 44043457 in words is "forty-four million, forty-three thousand, four hundred fifty-seven".