40231461533 has 8 divisors (see below), whose sum is σ = 41647920600. Its totient is φ = 38816947008.

The previous prime is 40231461527. The next prime is 40231461539. The reversal of 40231461533 is 33516413204.

It is an interprime number because it is at equal distance from previous prime (40231461527) and next prime (40231461539).

It can be written as a sum of positive squares in 4 ways, for example, as 3940449529 + 36291012004 = 62773^2 + 190502^2 .

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 40231461533 - 2¹⁰ = 40231460509 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 40231461533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231461539) 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, 443966 + ... + 526847.

It is an arithmetic number, because the mean of its divisors is an integer number (5205990075).

Almost surely, 2^40231461533 is an apocalyptic number.

It is an amenable number.

40231461533 is a deficient number, since it is larger than the sum of its proper divisors (1416459067).

40231461533 is a wasteful number, since it uses less digits than its factorization.

40231461533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972271.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 40231461533 its reverse (33516413204), we get a palindrome (73747874737).

The spelling of 40231461533 in words is "forty billion, two hundred thirty-one million, four hundred sixty-one thousand, five hundred thirty-three".