42380901 has 12 divisors (see below), whose sum is σ = 63484512. Its totient is φ = 28253772.

The previous prime is 42380837. The next prime is 42380957. The reversal of 42380901 is 10908324.

42380901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42380901 - 2⁶ = 42380837 is a prime.

It is a super-2 number, since 2×42380901² = 3592281539143602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42380501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86961 + ... + 87446.

It is an arithmetic number, because the mean of its divisors is an integer number (5290376).

Almost surely, 2^42380901 is an apocalyptic number.

It is an amenable number.

42380901 is a deficient number, since it is larger than the sum of its proper divisors (21103611).

42380901 is an equidigital number, since it uses as much as digits as its factorization.

42380901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174422 (or 174410 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 42380901 is about 6510.0615204466. The cubic root of 42380901 is about 348.6503149015.

The spelling of 42380901 in words is "forty-two million, three hundred eighty thousand, nine hundred one".