402793132 has 48 divisors (see below), whose sum is σ = 827265600. Its totient is φ = 171526656.

The previous prime is 402793117. The next prime is 402793201. The reversal of 402793132 is 231397204.

It is a junction number, because it is equal to n+sod(n) for n = 402793094 and 402793103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236508 + ... + 238204.

It is an arithmetic number, because the mean of its divisors is an integer number (17234700).

Almost surely, 2^402793132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402793132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413632800).

402793132 is an abundant number, since it is smaller than the sum of its proper divisors (424472468).

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

402793132 is a wasteful number, since it uses less digits than its factorization.

402793132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 402793132 is about 20069.7068239673. The cubic root of 402793132 is about 738.5173210076.

The spelling of 402793132 in words is "four hundred two million, seven hundred ninety-three thousand, one hundred thirty-two".