402030032 has 10 divisors (see below), whose sum is σ = 778933218. Its totient is φ = 201015008.

The previous prime is 402030023. The next prime is 402030043. The reversal of 402030032 is 230030204.

It can be written as a sum of positive squares in only one way, i.e., 255232576 + 146797456 = 15976^2 + 12116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 402029989 and 402030016.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12563423 + ... + 12563454.

Almost surely, 2^402030032 is an apocalyptic number.

It is an amenable number.

402030032 is a deficient number, since it is larger than the sum of its proper divisors (376903186).

402030032 is a wasteful number, since it uses less digits than its factorization.

402030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25126885 (or 25126879 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 402030032 is about 20050.6865717860. The cubic root of 402030032 is about 738.0506473468.

Adding to 402030032 its reverse (230030204), we get a palindrome (632060236).

The spelling of 402030032 in words is "four hundred two million, thirty thousand, thirty-two".