42829340 has 12 divisors (see below), whose sum is σ = 89941656. Its totient is φ = 17131728.

The previous prime is 42829337. The next prime is 42829349. The reversal of 42829340 is 4392824.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42829297 and 42829306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42829349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1070714 + ... + 1070753.

It is an arithmetic number, because the mean of its divisors is an integer number (7495138).

Almost surely, 2^42829340 is an apocalyptic number.

It is an amenable number.

42829340 is an abundant number, since it is smaller than the sum of its proper divisors (47112316).

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

42829340 is a wasteful number, since it uses less digits than its factorization.

42829340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141476 (or 2141474 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 42829340 is about 6544.4128842853. The cubic root of 42829340 is about 349.8757109708.

The spelling of 42829340 in words is "forty-two million, eight hundred twenty-nine thousand, three hundred forty".