402434292 has 36 divisors (see below), whose sum is σ = 1016806560. Its totient is φ = 123825312.

The previous prime is 402434273. The next prime is 402434293. The reversal of 402434292 is 292434204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402434293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97192 + ... + 101247.

Almost surely, 2^402434292 is an apocalyptic number.

It is an amenable number.

402434292 is an abundant number, since it is smaller than the sum of its proper divisors (614372268).

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

402434292 is a wasteful number, since it uses less digits than its factorization.

402434292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198472 (or 198457 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 402434292 is about 20060.7649903985. The cubic root of 402434292 is about 738.2979459566.

Adding to 402434292 its reverse (292434204), we get a palindrome (694868496).

The spelling of 402434292 in words is "four hundred two million, four hundred thirty-four thousand, two hundred ninety-two".