41440457 has 4 divisors (see below), whose sum is σ = 43242240. Its totient is φ = 39638676.

The previous prime is 41440429. The next prime is 41440471. The reversal of 41440457 is 75404414.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41440457 - 2¹⁴ = 41424073 is a prime.

It is a super-2 number, since 2×41440457² = 3434622952737698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41440057) 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, 900857 + ... + 900902.

It is an arithmetic number, because the mean of its divisors is an integer number (10810560).

Almost surely, 2^41440457 is an apocalyptic number.

It is an amenable number.

41440457 is a deficient number, since it is larger than the sum of its proper divisors (1801783).

41440457 is a wasteful number, since it uses less digits than its factorization.

41440457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801782.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 41440457 is about 6437.4262714225. The cubic root of 41440457 is about 346.0521182920.

The spelling of 41440457 in words is "forty-one million, four hundred forty thousand, four hundred fifty-seven".