40023263551 has 8 divisors (see below), whose sum is σ = 40207875840. Its totient is φ = 39838875648.

The previous prime is 40023263537. The next prime is 40023263569. The reversal of 40023263551 is 15536232004.

It is a happy number.

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 40023263551 - 2⁹ = 40023263039 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 (40023263351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306850 + ... + 417376.

It is an arithmetic number, because the mean of its divisors is an integer number (5025984480).

Almost surely, 2^40023263551 is an apocalyptic number.

40023263551 is a deficient number, since it is larger than the sum of its proper divisors (184612289).

40023263551 is a wasteful number, since it uses less digits than its factorization.

40023263551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112193.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 40023263551 its reverse (15536232004), we get a palindrome (55559495555).

The spelling of 40023263551 in words is "forty billion, twenty-three million, two hundred sixty-three thousand, five hundred fifty-one".