40291210013 has 4 divisors (see below), whose sum is σ = 40297600608. Its totient is φ = 40284819420.

The previous prime is 40291209991. The next prime is 40291210021. The reversal of 40291210013 is 31001219204.

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 40291210013 - 2⁶ = 40291209949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40291210913) 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, 3185831 + ... + 3198452.

It is an arithmetic number, because the mean of its divisors is an integer number (10074400152).

Almost surely, 2^40291210013 is an apocalyptic number.

It is an amenable number.

40291210013 is a deficient number, since it is larger than the sum of its proper divisors (6390595).

40291210013 is an equidigital number, since it uses as much as digits as its factorization.

40291210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390594.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 40291210013 its reverse (31001219204), we get a palindrome (71292429217).

The spelling of 40291210013 in words is "forty billion, two hundred ninety-one million, two hundred ten thousand, thirteen".