402441124 has 24 divisors (see below), whose sum is σ = 722947680. Its totient is φ = 195949056.

The previous prime is 402441121. The next prime is 402441131. The reversal of 402441124 is 421144204.

It is a junction number, because it is equal to n+sod(n) for n = 402441095 and 402441104.

It is not an unprimeable number, because it can be changed into a prime (402441121) 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, 17284 + ... + 33220.

It is an arithmetic number, because the mean of its divisors is an integer number (30122820).

Almost surely, 2^402441124 is an apocalyptic number.

It is an amenable number.

402441124 is a deficient number, since it is larger than the sum of its proper divisors (320506556).

402441124 is a wasteful number, since it uses less digits than its factorization.

402441124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16107 (or 16105 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 402441124 is about 20060.9352723147. The cubic root of 402441124 is about 738.3021238834.

Adding to 402441124 its reverse (421144204), we get a palindrome (823585328).

The spelling of 402441124 in words is "four hundred two million, four hundred forty-one thousand, one hundred twenty-four".