402044201 has 4 divisors (see below), whose sum is σ = 432970692. Its totient is φ = 371117712.

The previous prime is 402044191. The next prime is 402044213. The reversal of 402044201 is 102440204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58905625 + 343138576 = 7675^2 + 18524^2 .

It is a cyclic number.

It is not a de Polignac number, because 402044201 - 2¹⁸ = 401782057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402044201.

It is not an unprimeable number, because it can be changed into a prime (402040201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15463226 + ... + 15463251.

It is an arithmetic number, because the mean of its divisors is an integer number (108242673).

Almost surely, 2^402044201 is an apocalyptic number.

It is an amenable number.

402044201 is a deficient number, since it is larger than the sum of its proper divisors (30926491).

402044201 is a wasteful number, since it uses less digits than its factorization.

402044201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30926490.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 402044201 is about 20051.0398982197. The cubic root of 402044201 is about 738.0593177743.

Adding to 402044201 its reverse (102440204), we get a palindrome (504484405).

The spelling of 402044201 in words is "four hundred two million, forty-four thousand, two hundred one".