42600000 has 168 divisors, whose sum is σ = 142865856. Its totient is φ = 11200000.

The previous prime is 42599993. The next prime is 42600023. The reversal of 42600000 is 624.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599965 + ... + 600035.

It is an arithmetic number, because the mean of its divisors is an integer number (850392).

Almost surely, 2^42600000 is an apocalyptic number.

42600000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71432928).

42600000 is an abundant number, since it is smaller than the sum of its proper divisors (100265856).

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

42600000 is an frugal number, since it uses more digits than its factorization.

42600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 42600000 is about 6526.8675488323. The cubic root of 42600000 is about 349.2500950925.

Adding to 42600000 its reverse (624), we get a palindrome (42600624).

The spelling of 42600000 in words is "forty-two million, six hundred thousand".