40431251352140 has 48 divisors (see below), whose sum is σ = 92624784124320. Its totient is φ = 14702199751680.

The previous prime is 40431251352127. The next prime is 40431251352157. The reversal of 40431251352140 is 4125315213404.

40431251352140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40431251352140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64516226 + ... + 65139894.

It is an arithmetic number, because the mean of its divisors is an integer number (1929683002590).

Almost surely, 2^{40431251352140} is an apocalyptic number.

It is an amenable number.

40431251352140 is an abundant number, since it is smaller than the sum of its proper divisors (52193532772180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40431251352140 is a wasteful number, since it uses less digits than its factorization.

40431251352140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918362 (or 918360 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 40431251352140 its reverse (4125315213404), we get a palindrome (44556566565544).

The spelling of 40431251352140 in words is "forty trillion, four hundred thirty-one billion, two hundred fifty-one million, three hundred fifty-two thousand, one hundred forty".