434040402 has 16 divisors (see below), whose sum is σ = 872580960. Its totient is φ = 143930112.

The previous prime is 434040367. The next prime is 434040461. The reversal of 434040402 is 204040434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186252 + ... + 188567.

It is an arithmetic number, because the mean of its divisors is an integer number (54536310).

Almost surely, 2^434040402 is an apocalyptic number.

434040402 is an abundant number, since it is smaller than the sum of its proper divisors (438540558).

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

434040402 is a wasteful number, since it uses less digits than its factorization.

434040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375017.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 434040402 is about 20833.6363124636. The cubic root of 434040402 is about 757.1409209905.

Adding to 434040402 its reverse (204040434), we get a palindrome (638080836).

The spelling of 434040402 in words is "four hundred thirty-four million, forty thousand, four hundred two".