40331321251542 has 16 divisors (see below), whose sum is σ = 89625158336880. Its totient is φ = 13443773750496.

The previous prime is 40331321251517. The next prime is 40331321251549. The reversal of 40331321251542 is 24515212313304.

40331321251542 is a `hidden beast` number, since 4 + 0 + 3 + 3 + 132 + 1 + 2 + 515 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40331321251497 and 40331321251506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40331321251549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373438159683 + ... + 373438159790.

It is an arithmetic number, because the mean of its divisors is an integer number (5601572396055).

Almost surely, 2^{40331321251542} is an apocalyptic number.

40331321251542 is an abundant number, since it is smaller than the sum of its proper divisors (49293837085338).

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

40331321251542 is a wasteful number, since it uses less digits than its factorization.

40331321251542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746876319484 (or 746876319478 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 40331321251542 its reverse (24515212313304), we get a palindrome (64846533564846).

The spelling of 40331321251542 in words is "forty trillion, three hundred thirty-one billion, three hundred twenty-one million, two hundred fifty-one thousand, five hundred forty-two".