40234402 has 8 divisors (see below), whose sum is σ = 64994076. Its totient is φ = 18569712.

The previous prime is 40234399. The next prime is 40234421. The reversal of 40234402 is 20443204.

It can be written as a sum of positive squares in 2 ways, for example, as 39576681 + 657721 = 6291^2 + 811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40234402.

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, 773713 + ... + 773764.

Almost surely, 2^40234402 is an apocalyptic number.

40234402 is a deficient number, since it is larger than the sum of its proper divisors (24759674).

40234402 is a wasteful number, since it uses less digits than its factorization.

40234402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547492.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40234402 is about 6343.0593564935. The cubic root of 40234402 is about 342.6619249614.

Adding to 40234402 its reverse (20443204), we get a palindrome (60677606).

The spelling of 40234402 in words is "forty million, two hundred thirty-four thousand, four hundred two".