40040324551 has 8 divisors (see below), whose sum is σ = 40146790320. Its totient is φ = 39933948288.

The previous prime is 40040324483. The next prime is 40040324561. The reversal of 40040324551 is 15542304004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40040324551 - 2³¹ = 37892840903 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 (40040324561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926415 + ... + 968671.

It is an arithmetic number, because the mean of its divisors is an integer number (5018348790).

Almost surely, 2^40040324551 is an apocalyptic number.

40040324551 is a deficient number, since it is larger than the sum of its proper divisors (106465769).

40040324551 is a wasteful number, since it uses less digits than its factorization.

40040324551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44753.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 40040324551 its reverse (15542304004), we get a palindrome (55582628555).

The spelling of 40040324551 in words is "forty billion, forty million, three hundred twenty-four thousand, five hundred fifty-one".