40853697 has 8 divisors (see below), whose sum is σ = 54502656. Its totient is φ = 27220272.

The previous prime is 40853689. The next prime is 40853717. The reversal of 40853697 is 79635804.

It is a happy number.

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

It is not a de Polignac number, because 40853697 - 2³ = 40853689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40853677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5488 + ... + 10574.

It is an arithmetic number, because the mean of its divisors is an integer number (6812832).

Almost surely, 2^40853697 is an apocalyptic number.

It is an amenable number.

40853697 is a deficient number, since it is larger than the sum of its proper divisors (13648959).

40853697 is a wasteful number, since it uses less digits than its factorization.

40853697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 40853697 is about 6391.6896827052. The cubic root of 40853697 is about 344.4110851918.

The spelling of 40853697 in words is "forty million, eight hundred fifty-three thousand, six hundred ninety-seven".