404254051 has 8 divisors (see below), whose sum is σ = 435427520. Its totient is φ = 374070312.

The previous prime is 404254021. The next prime is 404254057. The reversal of 404254051 is 150452404.

It is a happy number.

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 404254051 - 2⁷ = 404253923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404254057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246585 + ... + 248218.

It is an arithmetic number, because the mean of its divisors is an integer number (54428440).

Almost surely, 2^404254051 is an apocalyptic number.

404254051 is a deficient number, since it is larger than the sum of its proper divisors (31173469).

404254051 is a wasteful number, since it uses less digits than its factorization.

404254051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494865.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 404254051 is about 20106.0700038570. The cubic root of 404254051 is about 739.4091040147.

The spelling of 404254051 in words is "four hundred four million, two hundred fifty-four thousand, fifty-one".