40245630361 has 4 divisors (see below), whose sum is σ = 40755068800. Its totient is φ = 39736191924.

The previous prime is 40245630301. The next prime is 40245630377. The reversal of 40245630361 is 16303654204.

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 40245630361 - 2⁷ = 40245630233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40245630301) 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, 254719101 + ... + 254719258.

It is an arithmetic number, because the mean of its divisors is an integer number (10188767200).

Almost surely, 2^40245630361 is an apocalyptic number.

It is an amenable number.

40245630361 is a deficient number, since it is larger than the sum of its proper divisors (509438439).

40245630361 is an equidigital number, since it uses as much as digits as its factorization.

40245630361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509438438.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 40245630361 in words is "forty billion, two hundred forty-five million, six hundred thirty thousand, three hundred sixty-one".