802838191264 has 24 divisors (see below), whose sum is σ = 1606498966548. Its totient is φ = 394838453760.

The previous prime is 802838191249. The next prime is 802838191313. The reversal of 802838191264 is 462191838208.

802838191264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 498023781264 + 304814410000 = 705708^2 + 552100^2 .

It is a super-2 number, since 2×802838191264² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205643077 + ... + 205646980.

Almost surely, 2^802838191264 is an apocalyptic number.

It is an amenable number.

802838191264 is an abundant number, since it is smaller than the sum of its proper divisors (803660775284).

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

802838191264 is a wasteful number, since it uses less digits than its factorization.

802838191264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411290128 (or 411290120 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 802838191264 in words is "eight hundred two billion, eight hundred thirty-eight million, one hundred ninety-one thousand, two hundred sixty-four".