42506340400 has 30 divisors (see below), whose sum is σ = 102121483772. Its totient is φ = 17002536000.

The previous prime is 42506340379. The next prime is 42506340479. The reversal of 42506340400 is 404360524.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53132526 + ... + 53133325.

Almost surely, 2^42506340400 is an apocalyptic number.

42506340400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42506340400 is an abundant number, since it is smaller than the sum of its proper divisors (59615143372).

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

42506340400 is a wasteful number, since it uses less digits than its factorization.

42506340400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106265869 (or 106265858 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The spelling of 42506340400 in words is "forty-two billion, five hundred six million, three hundred forty thousand, four hundred".