40231345144652 has 12 divisors (see below), whose sum is σ = 70504155635760. Its totient is φ = 20087300677296.

The previous prime is 40231345144607. The next prime is 40231345144673. The reversal of 40231345144652 is 25644154313204.

It is a super-2 number, since 2×40231345144652² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7092970568 + ... + 7092976239.

It is an arithmetic number, because the mean of its divisors is an integer number (5875346302980).

Almost surely, 2^{40231345144652} is an apocalyptic number.

It is an amenable number.

40231345144652 is a deficient number, since it is larger than the sum of its proper divisors (30272810491108).

40231345144652 is a wasteful number, since it uses less digits than its factorization.

40231345144652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14185947520 (or 14185947518 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 40231345144652 its reverse (25644154313204), we get a palindrome (65875499457856).

The spelling of 40231345144652 in words is "forty trillion, two hundred thirty-one billion, three hundred forty-five million, one hundred forty-four thousand, six hundred fifty-two".