402044055 has 32 divisors (see below), whose sum is σ = 737316864. Its totient is φ = 183254016.

The previous prime is 402044039. The next prime is 402044059. The reversal of 402044055 is 550440204.

It is not a de Polignac number, because 402044055 - 2⁴ = 402044039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402044059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31642 + ... + 42488.

It is an arithmetic number, because the mean of its divisors is an integer number (23041152).

Almost surely, 2^402044055 is an apocalyptic number.

402044055 is a deficient number, since it is larger than the sum of its proper divisors (335272809).

402044055 is a wasteful number, since it uses less digits than its factorization.

402044055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 402044055 is about 20051.0362575105. The cubic root of 402044055 is about 738.0592284337.

Adding to 402044055 its reverse (550440204), we get a palindrome (952484259).

The spelling of 402044055 in words is "four hundred two million, forty-four thousand, fifty-five".