40493219601 has 4 divisors (see below), whose sum is σ = 53990959472. Its totient is φ = 26995479732.

The previous prime is 40493219597. The next prime is 40493219629. The reversal of 40493219601 is 10691239404.

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 not a de Polignac number, because 40493219601 - 2² = 40493219597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40493219601.

It is not an unprimeable number, because it can be changed into a prime (40493219401) 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, 6748869931 + ... + 6748869936.

It is an arithmetic number, because the mean of its divisors is an integer number (13497739868).

Almost surely, 2^40493219601 is an apocalyptic number.

It is an amenable number.

40493219601 is a deficient number, since it is larger than the sum of its proper divisors (13497739871).

40493219601 is a wasteful number, since it uses less digits than its factorization.

40493219601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13497739870.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 40493219601 in words is "forty billion, four hundred ninety-three million, two hundred nineteen thousand, six hundred one".