402046332 has 24 divisors (see below), whose sum is σ = 950960976. Its totient is φ = 132179328.

The previous prime is 402046331. The next prime is 402046339. The reversal of 402046332 is 233640204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402046331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228603 + ... + 230354.

It is an arithmetic number, because the mean of its divisors is an integer number (39623374).

Almost surely, 2^402046332 is an apocalyptic number.

It is an amenable number.

402046332 is an abundant number, since it is smaller than the sum of its proper divisors (548914644).

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

402046332 is a wasteful number, since it uses less digits than its factorization.

402046332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459037 (or 459035 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 402046332 is about 20051.0930375379. The cubic root of 402046332 is about 738.0606217782.

Adding to 402046332 its reverse (233640204), we get a palindrome (635686536).

The spelling of 402046332 in words is "four hundred two million, forty-six thousand, three hundred thirty-two".