2851226737632 has 864 divisors, whose sum is σ = 10471474933920. Its totient is φ = 733304033280.

The previous prime is 2851226737559. The next prime is 2851226737781. The reversal of 2851226737632 is 2367376221582.

2851226737632 is a `hidden beast` number, since 2 + 8 + 5 + 1 + 2 + 267 + 376 + 3 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1271165503 + ... + 1271167745.

It is an arithmetic number, because the mean of its divisors is an integer number (12119762655).

Almost surely, 2^{2851226737632} 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 2851226737632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5235737466960).

2851226737632 is an abundant number, since it is smaller than the sum of its proper divisors (7620248196288).

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

2851226737632 is a wasteful number, since it uses less digits than its factorization.

2851226737632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353 (or 2309 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 2851226737632 in words is "two trillion, eight hundred fifty-one billion, two hundred twenty-six million, seven hundred thirty-seven thousand, six hundred thirty-two".