42346140 has 24 divisors (see below), whose sum is σ = 118569360. Its totient is φ = 11292288.

The previous prime is 42346127. The next prime is 42346163. The reversal of 42346140 is 4164324.

It is a self number, because there is not a number n which added to its sum of digits gives 42346140.

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 7 ways as a sum of consecutive naturals, for example, 352825 + ... + 352944.

It is an arithmetic number, because the mean of its divisors is an integer number (4940390).

Almost surely, 2^42346140 is an apocalyptic number.

It is an amenable number.

42346140 is an abundant number, since it is smaller than the sum of its proper divisors (76223220).

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

42346140 is a wasteful number, since it uses less digits than its factorization.

42346140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705781 (or 705779 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42346140 is about 6507.3911823403. The cubic root of 42346140 is about 348.5549673252.

It can be divided in two parts, 42346 and 140, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 42346140 in words is "forty-two million, three hundred forty-six thousand, one hundred forty".