40212422233544 has 64 divisors (see below), whose sum is σ = 84305078484480. Its totient is φ = 17822774848000.

The previous prime is 40212422233409. The next prime is 40212422233561. The reversal of 40212422233544 is 44533222421204.

It is a junction number, because it is equal to n+sod(n) for n = 40212422233498 and 40212422233507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520514 + ... + 9634254.

It is an arithmetic number, because the mean of its divisors is an integer number (1317266851320).

Almost surely, 2^{40212422233544} is an apocalyptic number.

40212422233544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40212422233544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42152539242240).

40212422233544 is an abundant number, since it is smaller than the sum of its proper divisors (44092656250936).

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

40212422233544 is a wasteful number, since it uses less digits than its factorization.

40212422233544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115622 (or 6115618 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 40212422233544 its reverse (44533222421204), we get a palindrome (84745644654748).

The spelling of 40212422233544 in words is "forty trillion, two hundred twelve billion, four hundred twenty-two million, two hundred thirty-three thousand, five hundred forty-four".