42401434 has 8 divisors (see below), whose sum is σ = 67343508. Its totient is φ = 19953600.

The previous prime is 42401423. The next prime is 42401449. The reversal of 42401434 is 43410424.

It can be written as a sum of positive squares in 2 ways, for example, as 40284409 + 2117025 = 6347^2 + 1455^2 .

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

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, 623517 + ... + 623584.

Almost surely, 2^42401434 is an apocalyptic number.

42401434 is a deficient number, since it is larger than the sum of its proper divisors (24942074).

42401434 is a wasteful number, since it uses less digits than its factorization.

42401434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247120.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42401434 is about 6511.6383499086. The cubic root of 42401434 is about 348.7066113380.

Adding to 42401434 its reverse (43410424), we get a palindrome (85811858).

The spelling of 42401434 in words is "forty-two million, four hundred one thousand, four hundred thirty-four".