402044 has 6 divisors (see below), whose sum is σ = 703584. Its totient is φ = 201020.

The previous prime is 402043. The next prime is 402049. The reversal of 402044 is 440204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50252 + ... + 50259.

It is an arithmetic number, because the mean of its divisors is an integer number (117264).

2⁴⁰²⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

402044 is a deficient number, since it is larger than the sum of its proper divisors (301540).

402044 is a wasteful number, since it uses less digits than its factorization.

402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100515 (or 100513 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 402044 is about 634.0693968329. The cubic root of 402044 is about 73.8059194778.

Adding to 402044 its reverse (440204), we get a palindrome (842248).

The spelling of 402044 in words is "four hundred two thousand, forty-four", and thus it is an iban number.