42555410 has 8 divisors (see below), whose sum is σ = 76599756. Its totient is φ = 17022160.

The previous prime is 42555391. The next prime is 42555413. The reversal of 42555410 is 1455524.

It can be written as a sum of positive squares in 2 ways, for example, as 42003361 + 552049 = 6481^2 + 743^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42555410.

It is not an unprimeable number, because it can be changed into a prime (42555413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127761 + ... + 2127780.

Almost surely, 2^42555410 is an apocalyptic number.

42555410 is a deficient number, since it is larger than the sum of its proper divisors (34044346).

42555410 is a wasteful number, since it uses less digits than its factorization.

42555410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255548.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 42555410 is about 6523.4507739386. The cubic root of 42555410 is about 349.1281976088.

The spelling of 42555410 in words is "forty-two million, five hundred fifty-five thousand, four hundred ten".