42339451 has 8 divisors (see below), whose sum is σ = 52786944. Its totient is φ = 32991720.

The previous prime is 42339431. The next prime is 42339463. The reversal of 42339451 is 15493324.

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 42339451 - 2⁵ = 42339419 is a prime.

It is a super-2 number, since 2×42339451² = 3585258221962802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42339431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274855 + ... + 275008.

It is an arithmetic number, because the mean of its divisors is an integer number (6598368).

Almost surely, 2^42339451 is an apocalyptic number.

42339451 is a deficient number, since it is larger than the sum of its proper divisors (10447493).

42339451 is a wasteful number, since it uses less digits than its factorization.

42339451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549881.

The product of its digits is 12960, while the sum is 31.

The square root of 42339451 is about 6506.8772080008. The cubic root of 42339451 is about 348.5366137677.

The spelling of 42339451 in words is "forty-two million, three hundred thirty-nine thousand, four hundred fifty-one".