404251151 has 8 divisors (see below), whose sum is σ = 427607520. Its totient is φ = 381376512.

The previous prime is 404251139. The next prime is 404251157. The reversal of 404251151 is 151152404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404251151 - 2¹⁴ = 404234767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404251157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118706 + ... + 122063.

It is an arithmetic number, because the mean of its divisors is an integer number (53450940).

Almost surely, 2^404251151 is an apocalyptic number.

404251151 is a deficient number, since it is larger than the sum of its proper divisors (23356369).

404251151 is a wasteful number, since it uses less digits than its factorization.

404251151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240865.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 404251151 is about 20105.9978862030. The cubic root of 404251151 is about 739.4073359092.

The spelling of 404251151 in words is "four hundred four million, two hundred fifty-one thousand, one hundred fifty-one".