42340988 has 6 divisors (see below), whose sum is σ = 74096736. Its totient is φ = 21170492.

The previous prime is 42340981. The next prime is 42341003. The reversal of 42340988 is 88904324.

It is a super-2 number, since 2×42340988² = 3585518529632288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340981) 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 as a sum of consecutive naturals, namely, 5292620 + ... + 5292627.

It is an arithmetic number, because the mean of its divisors is an integer number (12349456).

Almost surely, 2^42340988 is an apocalyptic number.

It is an amenable number.

42340988 is a deficient number, since it is larger than the sum of its proper divisors (31755748).

42340988 is a wasteful number, since it uses less digits than its factorization.

42340988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585251 (or 10585249 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 42340988 is about 6506.9953127384. The cubic root of 42340988 is about 348.5408312235.

The spelling of 42340988 in words is "forty-two million, three hundred forty thousand, nine hundred eighty-eight".