40431221340130 has 16 divisors (see below), whose sum is σ = 72920882712384. Its totient is φ = 16140336469360.

The previous prime is 40431221340113. The next prime is 40431221340137. The reversal of 40431221340130 is 3104312213404.

It is a happy number.

40431221340130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40431221340137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4019003056 + ... + 4019013115.

It is an arithmetic number, because the mean of its divisors is an integer number (4557555169524).

Almost surely, 2^{40431221340130} is an apocalyptic number.

40431221340130 is a deficient number, since it is larger than the sum of its proper divisors (32489661372254).

40431221340130 is a wasteful number, since it uses less digits than its factorization.

40431221340130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038016681.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 40431221340130 its reverse (3104312213404), we get a palindrome (43535533553534).

The spelling of 40431221340130 in words is "forty trillion, four hundred thirty-one billion, two hundred twenty-one million, three hundred forty thousand, one hundred thirty".