404420040051 has 8 divisors (see below), whose sum is σ = 539230429440. Its totient is φ = 269611505352.

The previous prime is 404420040047. The next prime is 404420040071. The reversal of 404420040051 is 150040024404.

It is a happy number.

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

It is not a de Polignac number, because 404420040051 - 2² = 404420040047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404420040071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168090 + ... + 914928.

It is an arithmetic number, because the mean of its divisors is an integer number (67403803680).

Almost surely, 2^404420040051 is an apocalyptic number.

404420040051 is a deficient number, since it is larger than the sum of its proper divisors (134810389389).

404420040051 is a wasteful number, since it uses less digits than its factorization.

404420040051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927345.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 404420040051 its reverse (150040024404), we get a palindrome (554460064455).

The spelling of 404420040051 in words is "four hundred four billion, four hundred twenty million, forty thousand, fifty-one".