42249510 has 24 divisors (see below), whose sum is σ = 109848960. Its totient is φ = 11266512.

The previous prime is 42249503. The next prime is 42249517. The reversal of 42249510 is 1594224.

It is an interprime number because it is at equal distance from previous prime (42249503) and next prime (42249517).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42249517) 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 11 ways as a sum of consecutive naturals, for example, 234630 + ... + 234809.

It is an arithmetic number, because the mean of its divisors is an integer number (4577040).

Almost surely, 2^42249510 is an apocalyptic number.

42249510 is an abundant number, since it is smaller than the sum of its proper divisors (67599450).

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

42249510 is a wasteful number, since it uses less digits than its factorization.

42249510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469452 (or 469449 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 42249510 is about 6499.9623075830. The cubic root of 42249510 is about 348.2896419386.

The spelling of 42249510 in words is "forty-two million, two hundred forty-nine thousand, five hundred ten".