402434522 has 16 divisors (see below), whose sum is σ = 690161472. Its totient is φ = 172403520.

The previous prime is 402434477. The next prime is 402434551. The reversal of 402434522 is 225434204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402434491 and 402434500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48833 + ... + 56475.

It is an arithmetic number, because the mean of its divisors is an integer number (43135092).

Almost surely, 2^402434522 is an apocalyptic number.

402434522 is a deficient number, since it is larger than the sum of its proper divisors (287726950).

402434522 is a wasteful number, since it uses less digits than its factorization.

402434522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 402434522 is about 20060.7707229807. The cubic root of 402434522 is about 738.2980866077.

Adding to 402434522 its reverse (225434204), we get a palindrome (627868726).

The spelling of 402434522 in words is "four hundred two million, four hundred thirty-four thousand, five hundred twenty-two".