42326540 has 12 divisors (see below), whose sum is σ = 88885776. Its totient is φ = 16930608.

The previous prime is 42326539. The next prime is 42326551. The reversal of 42326540 is 4562324.

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 3 ways as a sum of consecutive naturals, for example, 1058144 + ... + 1058183.

It is an arithmetic number, because the mean of its divisors is an integer number (7407148).

Almost surely, 2^42326540 is an apocalyptic number.

It is an amenable number.

42326540 is an abundant number, since it is smaller than the sum of its proper divisors (46559236).

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

42326540 is a wasteful number, since it uses less digits than its factorization.

42326540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116336 (or 2116334 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42326540 is about 6505.8850281879. The cubic root of 42326540 is about 348.5011825595.

Adding to 42326540 its reverse (4562324), we get a palindrome (46888864).

The spelling of 42326540 in words is "forty-two million, three hundred twenty-six thousand, five hundred forty".