402548036 has 24 divisors (see below), whose sum is σ = 775311264. Its totient is φ = 181354880.

The previous prime is 402548033. The next prime is 402548053. The reversal of 402548036 is 630845204.

It is a junction number, because it is equal to n+sod(n) for n = 402547993 and 402548011.

It is not an unprimeable number, because it can be changed into a prime (402548033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35510 + ... + 45453.

It is an arithmetic number, because the mean of its divisors is an integer number (32304636).

Almost surely, 2^402548036 is an apocalyptic number.

It is an amenable number.

402548036 is a deficient number, since it is larger than the sum of its proper divisors (372763228).

402548036 is a wasteful number, since it uses less digits than its factorization.

402548036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81091 (or 81089 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 402548036 is about 20063.5997767101. The cubic root of 402548036 is about 738.3674968976.

The spelling of 402548036 in words is "four hundred two million, five hundred forty-eight thousand, thirty-six".