40454020313 has 4 divisors (see below), whose sum is σ = 46233166080. Its totient is φ = 34674874548.

The previous prime is 40454020303. The next prime is 40454020331. The reversal of 40454020313 is 31302045404.

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 40454020313 - 2³⁰ = 39380278489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40454020303) 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, 2889572873 + ... + 2889572886.

It is an arithmetic number, because the mean of its divisors is an integer number (11558291520).

Almost surely, 2^40454020313 is an apocalyptic number.

It is an amenable number.

40454020313 is a deficient number, since it is larger than the sum of its proper divisors (5779145767).

40454020313 is an equidigital number, since it uses as much as digits as its factorization.

40454020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779145766.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40454020313 its reverse (31302045404), we get a palindrome (71756065717).

The spelling of 40454020313 in words is "forty billion, four hundred fifty-four million, twenty thousand, three hundred thirteen".