3854551605408 has 144 divisors (see below), whose sum is σ = 12931399143936. Its totient is φ = 1065774620160.

The previous prime is 3854551605397. The next prime is 3854551605433. The reversal of 3854551605408 is 8045061554583.

3854551605408 is a `hidden beast` number, since 3 + 8 + 5 + 45 + 51 + 6 + 0 + 540 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30775891 + ... + 30900882.

It is an arithmetic number, because the mean of its divisors is an integer number (89801382944).

Almost surely, 2^{3854551605408} is an apocalyptic number.

It is an amenable number.

3854551605408 is an abundant number, since it is smaller than the sum of its proper divisors (9076847538528).

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

3854551605408 is a wasteful number, since it uses less digits than its factorization.

3854551605408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61676827 (or 61676816 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 3854551605408 in words is "three trillion, eight hundred fifty-four billion, five hundred fifty-one million, six hundred five thousand, four hundred eight".