40444135 has 8 divisors (see below), whose sum is σ = 48882960. Its totient is φ = 32121984.

The previous prime is 40444127. The next prime is 40444147. The reversal of 40444135 is 53144404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40444135 - 2³ = 40444127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28402 + ... + 29791.

It is an arithmetic number, because the mean of its divisors is an integer number (6110370).

Almost surely, 2^40444135 is an apocalyptic number.

40444135 is a deficient number, since it is larger than the sum of its proper divisors (8438825).

40444135 is a wasteful number, since it uses less digits than its factorization.

40444135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58337.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 40444135 is about 6359.5703471225. The cubic root of 40444135 is about 343.2563002047.

Adding to 40444135 its reverse (53144404), we get a palindrome (93588539).

The spelling of 40444135 in words is "forty million, four hundred forty-four thousand, one hundred thirty-five".