40975397 has 16 divisors (see below), whose sum is σ = 44651520. Its totient is φ = 37488000.

The previous prime is 40975387. The next prime is 40975507. The reversal of 40975397 is 79357904.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40975397 - 2⁸ = 40975141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40975367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71729 + ... + 72297.

It is an arithmetic number, because the mean of its divisors is an integer number (2790720).

Almost surely, 2^40975397 is an apocalyptic number.

It is an amenable number.

40975397 is a deficient number, since it is larger than the sum of its proper divisors (3676123).

40975397 is a wasteful number, since it uses less digits than its factorization.

40975397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 40975397 is about 6401.2027776036. The cubic root of 40975397 is about 344.7527374823.

The spelling of 40975397 in words is "forty million, nine hundred seventy-five thousand, three hundred ninety-seven".