40575401 has 4 divisors (see below), whose sum is σ = 41181072. Its totient is φ = 39969732.

The previous prime is 40575397. The next prime is 40575419. The reversal of 40575401 is 10457504.

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 40575401 - 2² = 40575397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40577401) 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, 302735 + ... + 302868.

It is an arithmetic number, because the mean of its divisors is an integer number (10295268).

Almost surely, 2^40575401 is an apocalyptic number.

It is an amenable number.

40575401 is a deficient number, since it is larger than the sum of its proper divisors (605671).

40575401 is an equidigital number, since it uses as much as digits as its factorization.

40575401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605670.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 40575401 is about 6369.8823380028. The cubic root of 40575401 is about 343.6272581726.

The spelling of 40575401 in words is "forty million, five hundred seventy-five thousand, four hundred one".