42994292 has 48 divisors (see below), whose sum is σ = 87635520. Its totient is φ = 18240000.

The previous prime is 42994277. The next prime is 42994297. The reversal of 42994292 is 29249924.

42994292 = 99² + 100² + ... + 506².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42994297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171167 + ... + 171417.

It is an arithmetic number, because the mean of its divisors is an integer number (1825740).

Almost surely, 2^42994292 is an apocalyptic number.

It is an amenable number.

42994292 is an abundant number, since it is smaller than the sum of its proper divisors (44641228).

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

42994292 is a wasteful number, since it uses less digits than its factorization.

42994292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 42994292 is about 6557.0032789377. The cubic root of 42994292 is about 350.3243034952.

It can be divided in two parts, 429942 and 92, that added together give a palindrome (430034).

The spelling of 42994292 in words is "forty-two million, nine hundred ninety-four thousand, two hundred ninety-two".