42162800 has 30 divisors (see below), whose sum is σ = 101297088. Its totient is φ = 16864960.

The previous prime is 42162787. The next prime is 42162811. The reversal of 42162800 is 826124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52304 + ... + 53103.

Almost surely, 2^42162800 is an apocalyptic number.

42162800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42162800 is an abundant number, since it is smaller than the sum of its proper divisors (59134288).

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

42162800 is a wasteful number, since it uses less digits than its factorization.

42162800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105425 (or 105414 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 42162800 is about 6493.2888431056. The cubic root of 42162800 is about 348.0512101499.

Adding to 42162800 its reverse (826124), we get a palindrome (42988924).

The spelling of 42162800 in words is "forty-two million, one hundred sixty-two thousand, eight hundred".