40193001 has 12 divisors (see below), whose sum is σ = 58285812. Its totient is φ = 26689536.

The previous prime is 40192991. The next prime is 40193009. The reversal of 40193001 is 10039104.

It can be written as a sum of positive squares in 2 ways, for example, as 22553001 + 17640000 = 4749^2 + 4200^2 .

It is not a de Polignac number, because 40193001 - 2²³ = 31804393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40193009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6376 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (4857151).

Almost surely, 2^40193001 is an apocalyptic number.

It is an amenable number.

40193001 is a deficient number, since it is larger than the sum of its proper divisors (18092811).

40193001 is a wasteful number, since it uses less digits than its factorization.

40193001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640 (or 17637 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 40193001 is about 6339.7950282324. The cubic root of 40193001 is about 342.5443521515.

The spelling of 40193001 in words is "forty million, one hundred ninety-three thousand, one".