42126364 has 12 divisors (see below), whose sum is σ = 84252784. Its totient is φ = 18054144.

The previous prime is 42126353. The next prime is 42126373. The reversal of 42126364 is 46362124.

42126364 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1504513 = 42126364 / (4 + 2 + 1 + 2 + 6 + 3 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752229 + ... + 752284.

Almost surely, 2^42126364 is an apocalyptic number.

It is an amenable number.

42126364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42126364 is a wasteful number, since it uses less digits than its factorization.

42126364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504524 (or 1504522 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 42126364 is about 6490.4825706568. The cubic root of 42126364 is about 347.9509223079.

Adding to 42126364 its reverse (46362124), we get a palindrome (88488488).

The spelling of 42126364 in words is "forty-two million, one hundred twenty-six thousand, three hundred sixty-four".