42026365 has 8 divisors (see below), whose sum is σ = 52170840. Its totient is φ = 32461632.

The previous prime is 42026333. The next prime is 42026399. The reversal of 42026365 is 56362024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 925444 + 41100921 = 962^2 + 6411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42026365 - 2⁵ = 42026333 is a prime.

It is a super-2 number, since 2×42026365² = 3532430710226450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144774 + ... + 145063.

It is an arithmetic number, because the mean of its divisors is an integer number (6521355).

Almost surely, 2^42026365 is an apocalyptic number.

It is an amenable number.

42026365 is a deficient number, since it is larger than the sum of its proper divisors (10144475).

42026365 is a wasteful number, since it uses less digits than its factorization.

42026365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289871.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 42026365 is about 6482.7744831978. The cubic root of 42026365 is about 347.6753837527.

Adding to 42026365 its reverse (56362024), we get a palindrome (98388389).

The spelling of 42026365 in words is "forty-two million, twenty-six thousand, three hundred sixty-five".