42149312 has 28 divisors (see below), whose sum is σ = 85685376. Its totient is φ = 20559360.

The previous prime is 42149311. The next prime is 42149329. The reversal of 42149312 is 21394124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42149311) 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, 5408 + ... + 10655.

It is an arithmetic number, because the mean of its divisors is an integer number (3060192).

Almost surely, 2^42149312 is an apocalyptic number.

It is an amenable number.

42149312 is an abundant number, since it is smaller than the sum of its proper divisors (43536064).

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

42149312 is a wasteful number, since it uses less digits than its factorization.

42149312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16116 (or 16106 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 42149312 is about 6492.2501492164. The cubic root of 42149312 is about 348.0140919999.

The spelling of 42149312 in words is "forty-two million, one hundred forty-nine thousand, three hundred twelve".