42344351 has 12 divisors (see below), whose sum is σ = 48959856. Its totient is φ = 35875200.

The previous prime is 42344333. The next prime is 42344381. The reversal of 42344351 is 15344324.

It is a de Polignac number, because none of the positive numbers 2^k-42344351 is a prime.

It is a super-2 number, since 2×42344351² = 3586088123222402, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42344351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42344381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71111 + ... + 71703.

It is an arithmetic number, because the mean of its divisors is an integer number (4079988).

Almost surely, 2^42344351 is an apocalyptic number.

42344351 is a deficient number, since it is larger than the sum of its proper divisors (6615505).

42344351 is an equidigital number, since it uses as much as digits as its factorization.

42344351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 701 counting only the distinct ones).

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

The square root of 42344351 is about 6507.2537218092. The cubic root of 42344351 is about 348.5500587816.

Adding to 42344351 its reverse (15344324), we get a palindrome (57688675).

The spelling of 42344351 in words is "forty-two million, three hundred forty-four thousand, three hundred fifty-one".