40221400143342 has 64 divisors (see below), whose sum is σ = 92432354630400. Its totient is φ = 11539582548480.

The previous prime is 40221400143307. The next prime is 40221400143347. The reversal of 40221400143342 is 24334100412204.

It is a super-2 number, since 2×40221400143342² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221400143347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8039467 + ... + 12044742.

It is an arithmetic number, because the mean of its divisors is an integer number (1444255541100).

Almost surely, 2^{40221400143342} is an apocalyptic number.

40221400143342 is an abundant number, since it is smaller than the sum of its proper divisors (52210954487058).

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

40221400143342 is a wasteful number, since it uses less digits than its factorization.

40221400143342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20085841.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40221400143342 its reverse (24334100412204), we get a palindrome (64555500555546).

The spelling of 40221400143342 in words is "forty trillion, two hundred twenty-one billion, four hundred million, one hundred forty-three thousand, three hundred forty-two".