42442233421400 has 48 divisors (see below), whose sum is σ = 98694401513400. Its totient is φ = 16974104756480.

The previous prime is 42442233421349. The next prime is 42442233421403. The reversal of 42442233421400 is 412433224424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442233421403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16207982 + ... + 18643581.

Almost surely, 2^{42442233421400} is an apocalyptic number.

42442233421400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42442233421400 is an abundant number, since it is smaller than the sum of its proper divisors (56252168092000).

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

42442233421400 is a wasteful number, since it uses less digits than its factorization.

42442233421400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34857668 (or 34857659 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 42442233421400 its reverse (412433224424), we get a palindrome (42854666645824).

The spelling of 42442233421400 in words is "forty-two trillion, four hundred forty-two billion, two hundred thirty-three million, four hundred twenty-one thousand, four hundred".