40497375001 has 4 divisors (see below), whose sum is σ = 40509966772. Its totient is φ = 40484783232.

The previous prime is 40497374971. The next prime is 40497375041. The reversal of 40497375001 is 10057379404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16205035401 + 24292339600 = 127299^2 + 155860^2 .

It is a cyclic number.

It is not a de Polignac number, because 40497375001 - 2⁵ = 40497374969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40497375041) 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, 6291060 + ... + 6297493.

It is an arithmetic number, because the mean of its divisors is an integer number (10127491693).

Almost surely, 2^40497375001 is an apocalyptic number.

It is an amenable number.

40497375001 is a deficient number, since it is larger than the sum of its proper divisors (12591771).

40497375001 is a wasteful number, since it uses less digits than its factorization.

40497375001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12591770.

The product of its (nonzero) digits is 105840, while the sum is 40.

It can be divided in two parts, 404973 and 75001, that added together give a palindrome (479974).

The spelling of 40497375001 in words is "forty billion, four hundred ninety-seven million, three hundred seventy-five thousand, one".