40040324351 has 4 divisors (see below), whose sum is σ = 40050974304. Its totient is φ = 40029674400.

The previous prime is 40040324333. The next prime is 40040324399. The reversal of 40040324351 is 15342304004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40040324351 - 2¹⁸ = 40040062207 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 40040324351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040324251) 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, 5319335 + ... + 5326856.

It is an arithmetic number, because the mean of its divisors is an integer number (10012743576).

Almost surely, 2^40040324351 is an apocalyptic number.

40040324351 is a deficient number, since it is larger than the sum of its proper divisors (10649953).

40040324351 is a wasteful number, since it uses less digits than its factorization.

40040324351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10649952.

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

Adding to 40040324351 its reverse (15342304004), we get a palindrome (55382628355).

The spelling of 40040324351 in words is "forty billion, forty million, three hundred twenty-four thousand, three hundred fifty-one".