42961449 has 8 divisors (see below), whose sum is σ = 58066912. Its totient is φ = 28248480.

The previous prime is 42961427. The next prime is 42961453. The reversal of 42961449 is 94416924.

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

It is not a de Polignac number, because 42961449 - 2⁵ = 42961417 is a prime.

It is a super-2 number, since 2×42961449² = 3691372200359202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42961459) 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, 97867 + ... + 98304.

It is an arithmetic number, because the mean of its divisors is an integer number (7258364).

Almost surely, 2^42961449 is an apocalyptic number.

It is an amenable number.

42961449 is a deficient number, since it is larger than the sum of its proper divisors (15105463).

42961449 is a wasteful number, since it uses less digits than its factorization.

42961449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196247.

The product of its digits is 62208, while the sum is 39.

The square root of 42961449 is about 6554.4983789761. The cubic root of 42961449 is about 350.2350774491.

The spelling of 42961449 in words is "forty-two million, nine hundred sixty-one thousand, four hundred forty-nine".