402403532 has 24 divisors (see below), whose sum is σ = 754019280. Its totient is φ = 187235840.

The previous prime is 402403531. The next prime is 402403537. The reversal of 402403532 is 235304204.

It is a junction number, because it is equal to n+sod(n) for n = 402403498 and 402403507.

It is not an unprimeable number, because it can be changed into a prime (402403531) 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, 27194 + ... + 39297.

It is an arithmetic number, because the mean of its divisors is an integer number (31417470).

Almost surely, 2^402403532 is an apocalyptic number.

It is an amenable number.

402403532 is a deficient number, since it is larger than the sum of its proper divisors (351615748).

402403532 is a wasteful number, since it uses less digits than its factorization.

402403532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66601 (or 66599 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 402403532 is about 20059.9983050847. The cubic root of 402403532 is about 738.2791349160.

Adding to 402403532 its reverse (235304204), we get a palindrome (637707736).

The spelling of 402403532 in words is "four hundred two million, four hundred three thousand, five hundred thirty-two".