404022155454 has 24 divisors (see below), whose sum is σ = 875405027952. Its totient is φ = 134670407040.

The previous prime is 404022155447. The next prime is 404022155503. The reversal of 404022155454 is 454551220404.

404022155454 is a `hidden beast` number, since 40 + 40 + 2 + 21 + 554 + 5 + 4 = 666.

It is a super-2 number, since 2×404022155454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427407 + ... + 995349.

It is an arithmetic number, because the mean of its divisors is an integer number (36475209498).

Almost surely, 2^404022155454 is an apocalyptic number.

404022155454 is an abundant number, since it is smaller than the sum of its proper divisors (471382872498).

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

404022155454 is a wasteful number, since it uses less digits than its factorization.

404022155454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607472 (or 607469 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 404022155454 its reverse (454551220404), we get a palindrome (858573375858).

The spelling of 404022155454 in words is "four hundred four billion, twenty-two million, one hundred fifty-five thousand, four hundred fifty-four".