40031400443312 has 20 divisors (see below), whose sum is σ = 77578147321416. Its totient is φ = 20011233392640.

The previous prime is 40031400443297. The next prime is 40031400443449. The reversal of 40031400443312 is 21334400413004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279102878 + ... + 279246269.

Almost surely, 2^{40031400443312} is an apocalyptic number.

It is an amenable number.

40031400443312 is a deficient number, since it is larger than the sum of its proper divisors (37546746878104).

40031400443312 is a wasteful number, since it uses less digits than its factorization.

40031400443312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558353636 (or 558353630 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 40031400443312 its reverse (21334400413004), we get a palindrome (61365800856316).

The spelling of 40031400443312 in words is "forty trillion, thirty-one billion, four hundred million, four hundred forty-three thousand, three hundred twelve".