40253341531 has 4 divisors (see below), whose sum is σ = 43349752432. Its totient is φ = 37156930632.

The previous prime is 40253341529. The next prime is 40253341543. The reversal of 40253341531 is 13514335204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40253341531 - 2¹ = 40253341529 is a prime.

It is a super-2 number, since 2×40253341531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40253341493 and 40253341502.

It is not an unprimeable number, because it can be changed into a prime (40253341231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548205431 + ... + 1548205456.

It is an arithmetic number, because the mean of its divisors is an integer number (10837438108).

Almost surely, 2^40253341531 is an apocalyptic number.

40253341531 is a deficient number, since it is larger than the sum of its proper divisors (3096410901).

40253341531 is a wasteful number, since it uses less digits than its factorization.

40253341531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096410900.

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

Adding to 40253341531 its reverse (13514335204), we get a palindrome (53767676735).

The spelling of 40253341531 in words is "forty billion, two hundred fifty-three million, three hundred forty-one thousand, five hundred thirty-one".