40434292 has 12 divisors (see below), whose sum is σ = 73042816. Its totient is φ = 19564920.

The previous prime is 40434281. The next prime is 40434307. The reversal of 40434292 is 29243404.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40434292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162918 + ... + 163165.

Almost surely, 2^40434292 is an apocalyptic number.

It is an amenable number.

40434292 is a deficient number, since it is larger than the sum of its proper divisors (32608524).

40434292 is a wasteful number, since it uses less digits than its factorization.

40434292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326118 (or 326116 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 40434292 is about 6358.7964269978. The cubic root of 40434292 is about 343.2284515365.

Adding to 40434292 its reverse (29243404), we get a palindrome (69677696).

The spelling of 40434292 in words is "forty million, four hundred thirty-four thousand, two hundred ninety-two".