40222145313452 has 12 divisors (see below), whose sum is σ = 70388816142960. Its totient is φ = 20111054986896.

The previous prime is 40222145313373. The next prime is 40222145313499. The reversal of 40222145313452 is 25431354122204.

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, 1621574 + ... + 9114482.

It is an arithmetic number, because the mean of its divisors is an integer number (5865734678580).

Almost surely, 2^{40222145313452} is an apocalyptic number.

It is an amenable number.

40222145313452 is a deficient number, since it is larger than the sum of its proper divisors (30166670829508).

40222145313452 is a wasteful number, since it uses less digits than its factorization.

40222145313452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834920 (or 8834918 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 40222145313452 its reverse (25431354122204), we get a palindrome (65653499435656).

The spelling of 40222145313452 in words is "forty trillion, two hundred twenty-two billion, one hundred forty-five million, three hundred thirteen thousand, four hundred fifty-two".