42649292 has 24 divisors (see below), whose sum is σ = 87284736. Its totient is φ = 17852688.

The previous prime is 42649283. The next prime is 42649297. The reversal of 42649292 is 29294624.

It is not an unprimeable number, because it can be changed into a prime (42649297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16508 + ... + 18915.

It is an arithmetic number, because the mean of its divisors is an integer number (3636864).

Almost surely, 2^42649292 is an apocalyptic number.

It is an amenable number.

42649292 is an abundant number, since it is smaller than the sum of its proper divisors (44635444).

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

42649292 is a wasteful number, since it uses less digits than its factorization.

42649292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35477 (or 35475 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 42649292 is about 6530.6425411287. The cubic root of 42649292 is about 349.3847476754.

The spelling of 42649292 in words is "forty-two million, six hundred forty-nine thousand, two hundred ninety-two".