42251910 has 16 divisors (see below), whose sum is σ = 101404656. Its totient is φ = 11267168.

The previous prime is 42251903. The next prime is 42251917. The reversal of 42251910 is 1915224.

It is an interprime number because it is at equal distance from previous prime (42251903) and next prime (42251917).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42251917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704169 + ... + 704228.

It is an arithmetic number, because the mean of its divisors is an integer number (6337791).

Almost surely, 2^42251910 is an apocalyptic number.

42251910 is an abundant number, since it is smaller than the sum of its proper divisors (59152746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42251910 is a wasteful number, since it uses less digits than its factorization.

42251910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408407.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 42251910 is about 6500.1469214165. The cubic root of 42251910 is about 348.2962367236.

The spelling of 42251910 in words is "forty-two million, two hundred fifty-one thousand, nine hundred ten".