42590364 has 12 divisors (see below), whose sum is σ = 99377544. Its totient is φ = 14196784.

The previous prime is 42590363. The next prime is 42590369. The reversal of 42590364 is 46309524.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42590363) 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, 1774587 + ... + 1774610.

It is an arithmetic number, because the mean of its divisors is an integer number (8281462).

Almost surely, 2^42590364 is an apocalyptic number.

It is an amenable number.

42590364 is an abundant number, since it is smaller than the sum of its proper divisors (56787180).

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

42590364 is a wasteful number, since it uses less digits than its factorization.

42590364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549204 (or 3549202 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 42590364 is about 6526.1293275570. The cubic root of 42590364 is about 349.2237599775.

Adding to 42590364 its reverse (46309524), we get a palindrome (88899888).

The spelling of 42590364 in words is "forty-two million, five hundred ninety thousand, three hundred sixty-four".