2205405154854 has 56 divisors (see below), whose sum is σ = 5410792035432. Its totient is φ = 668304587520.

The previous prime is 2205405154811. The next prime is 2205405154877. The reversal of 2205405154854 is 4584515045022.

2205405154854 is a `hidden beast` number, since 2 + 2 + 0 + 5 + 4 + 0 + 51 + 548 + 54 = 666.

It is a super-2 number, since 2×2205405154854² (a number of 25 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 27 ways as a sum of consecutive naturals, for example, 68739579 + ... + 68771654.

It is an arithmetic number, because the mean of its divisors is an integer number (96621286347).

Almost surely, 2^{2205405154854} is an apocalyptic number.

2205405154854 is an abundant number, since it is smaller than the sum of its proper divisors (3205386880578).

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

2205405154854 is a wasteful number, since it uses less digits than its factorization.

2205405154854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137511264 (or 137511249 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 45.

The spelling of 2205405154854 in words is "two trillion, two hundred five billion, four hundred five million, one hundred fifty-four thousand, eight hundred fifty-four".