42343144400 has 60 divisors (see below), whose sum is σ = 107713504332. Its totient is φ = 15940945920.

The previous prime is 42343144397. The next prime is 42343144447. The reversal of 42343144400 is 444134324.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5985807424 + 36357336976 = 77368^2 + 190676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3106667 + ... + 3120266.

Almost surely, 2^42343144400 is an apocalyptic number.

42343144400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42343144400 is an abundant number, since it is smaller than the sum of its proper divisors (65370359932).

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

42343144400 is a wasteful number, since it uses less digits than its factorization.

42343144400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226968 (or 6226957 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42343144400 its reverse (444134324), we get a palindrome (42787278724).

The spelling of 42343144400 in words is "forty-two billion, three hundred forty-three million, one hundred forty-four thousand, four hundred".