40444275 has 24 divisors (see below), whose sum is σ = 70803504. Its totient is φ = 20300800.

The previous prime is 40444273. The next prime is 40444291. The reversal of 40444275 is 57244404.

It is not a de Polignac number, because 40444275 - 2¹ = 40444273 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40444273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14586 + ... + 17135.

It is an arithmetic number, because the mean of its divisors is an integer number (2950146).

Almost surely, 2^40444275 is an apocalyptic number.

40444275 is a deficient number, since it is larger than the sum of its proper divisors (30359229).

40444275 is a wasteful number, since it uses less digits than its factorization.

40444275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31751 (or 31746 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 40444275 is about 6359.5813541459. The cubic root of 40444275 is about 343.2566962723.

Adding to 40444275 its reverse (57244404), we get a palindrome (97688679).

The spelling of 40444275 in words is "forty million, four hundred forty-four thousand, two hundred seventy-five".