854019404391552 has 512 divisors, whose sum is σ = 2716918181683200. Its totient is φ = 232615963607040.

The previous prime is 854019404391541. The next prime is 854019404391581. The reversal of 854019404391552 is 255193404910458.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1028855278 + ... + 1029685010.

It is an arithmetic number, because the mean of its divisors is an integer number (5306480823600).

Almost surely, 2^{854019404391552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854019404391552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358459090841600).

854019404391552 is an abundant number, since it is smaller than the sum of its proper divisors (1862898777291648).

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

854019404391552 is a wasteful number, since it uses less digits than its factorization.

854019404391552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830004 (or 829992 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 60.

The spelling of 854019404391552 in words is "eight hundred fifty-four trillion, nineteen billion, four hundred four million, three hundred ninety-one thousand, five hundred fifty-two".