40552421231 has 32 divisors (see below), whose sum is σ = 50448863232. Its totient is φ = 31805798400.

The previous prime is 40552421191. The next prime is 40552421233. The reversal of 40552421231 is 13212425504.

It is a cyclic number.

It is not a de Polignac number, because 40552421231 - 2¹⁴ = 40552404847 is a prime.

It is a super-2 number, since 2×40552421231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40552421194 and 40552421203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40552421233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 820535 + ... + 868551.

It is an arithmetic number, because the mean of its divisors is an integer number (1576526976).

Almost surely, 2^40552421231 is an apocalyptic number.

40552421231 is a deficient number, since it is larger than the sum of its proper divisors (9896442001).

40552421231 is a wasteful number, since it uses less digits than its factorization.

40552421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48239.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 40552421231 its reverse (13212425504), we get a palindrome (53764846735).

The spelling of 40552421231 in words is "forty billion, five hundred fifty-two million, four hundred twenty-one thousand, two hundred thirty-one".