40236325551 has 12 divisors (see below), whose sum is σ = 59355714912. Its totient is φ = 26253488736.

The previous prime is 40236325541. The next prime is 40236325589. The reversal of 40236325551 is 15552363204.

40236325551 is a `hidden beast` number, since 4 + 0 + 23 + 63 + 25 + 551 = 666.

It is not a de Polignac number, because 40236325551 - 2¹⁸ = 40236063407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40236325531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47560246 + ... + 47561091.

It is an arithmetic number, because the mean of its divisors is an integer number (4946309576).

Almost surely, 2^40236325551 is an apocalyptic number.

40236325551 is a deficient number, since it is larger than the sum of its proper divisors (19119389361).

40236325551 is a wasteful number, since it uses less digits than its factorization.

40236325551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95121390 (or 95121387 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 40236325551 its reverse (15552363204), we get a palindrome (55788688755).

The spelling of 40236325551 in words is "forty billion, two hundred thirty-six million, three hundred twenty-five thousand, five hundred fifty-one".