42380546 has 8 divisors (see below), whose sum is σ = 68460924. Its totient is φ = 19560240.

The previous prime is 42380519. The next prime is 42380567. The reversal of 42380546 is 64508324.

It can be written as a sum of positive squares in 2 ways, for example, as 40462321 + 1918225 = 6361^2 + 1385^2 .

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

It is a super-2 number, since 2×42380546² = 3592221358516232, which contains 22 as substring.

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, 814985 + ... + 815036.

Almost surely, 2^42380546 is an apocalyptic number.

42380546 is a deficient number, since it is larger than the sum of its proper divisors (26080378).

42380546 is a wasteful number, since it uses less digits than its factorization.

42380546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630036.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 42380546 is about 6510.0342549022. The cubic root of 42380546 is about 348.6493414189.

The spelling of 42380546 in words is "forty-two million, three hundred eighty thousand, five hundred forty-six".