404240254254 has 24 divisors (see below), whose sum is σ = 890212147032. Its totient is φ = 132537787920.

The previous prime is 404240254241. The next prime is 404240254259. The reversal of 404240254254 is 452452042404.

404240254254 is a `hidden beast` number, since 40 + 4 + 24 + 0 + 2 + 542 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404240254259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184079164 + ... + 184081359.

It is an arithmetic number, because the mean of its divisors is an integer number (37092172793).

Almost surely, 2^404240254254 is an apocalyptic number.

404240254254 is an abundant number, since it is smaller than the sum of its proper divisors (485971892778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404240254254 is a wasteful number, since it uses less digits than its factorization.

404240254254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368160592 (or 368160589 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 36.

Adding to 404240254254 its reverse (452452042404), we get a palindrome (856692296658).

The spelling of 404240254254 in words is "four hundred four billion, two hundred forty million, two hundred fifty-four thousand, two hundred fifty-four".