404000141 has 4 divisors (see below), whose sum is σ = 404248572. Its totient is φ = 403751712.

The previous prime is 404000137. The next prime is 404000147. The reversal of 404000141 is 141000404.

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 161544100 + 242456041 = 12710^2 + 15571^2 .

It is a cyclic number.

It is not a de Polignac number, because 404000141 - 2² = 404000137 is a prime.

It is a super-2 number, since 2×404000141² = 326432227856039762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404000147) 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, 121760 + ... + 125033.

It is an arithmetic number, because the mean of its divisors is an integer number (101062143).

Almost surely, 2^404000141 is an apocalyptic number.

It is an amenable number.

404000141 is a deficient number, since it is larger than the sum of its proper divisors (248431).

404000141 is a wasteful number, since it uses less digits than its factorization.

404000141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248430.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 404000141 is about 20099.7547497476. The cubic root of 404000141 is about 739.2542651737.

Adding to 404000141 its reverse (141000404), we get a palindrome (545000545).

The spelling of 404000141 in words is "four hundred four million, one hundred forty-one", and thus it is an aban number.