40231318357 has 4 divisors (see below), whose sum is σ = 40716033120. Its totient is φ = 39746603596.

The previous prime is 40231318343. The next prime is 40231318403. The reversal of 40231318357 is 75381313204.

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 40231318357 - 2²³ = 40222929749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231318307) 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, 242357257 + ... + 242357422.

It is an arithmetic number, because the mean of its divisors is an integer number (10179008280).

Almost surely, 2^40231318357 is an apocalyptic number.

It is an amenable number.

40231318357 is a deficient number, since it is larger than the sum of its proper divisors (484714763).

40231318357 is an equidigital number, since it uses as much as digits as its factorization.

40231318357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484714762.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 40231318357 in words is "forty billion, two hundred thirty-one million, three hundred eighteen thousand, three hundred fifty-seven".