2867271639540 has 768 divisors, whose sum is σ = 11173127454720. Its totient is φ = 530420244480.

The previous prime is 2867271639511. The next prime is 2867271639593. The reversal of 2867271639540 is 459361727682.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1443014427 + ... + 1443016413.

It is an arithmetic number, because the mean of its divisors is an integer number (14548343040).

It is a 1-persistent number, because it is pandigital, but 2⋅2867271639540 = 5734543279080 is not.

Almost surely, 2^{2867271639540} is an apocalyptic number.

2867271639540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2867271639540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5586563727360).

2867271639540 is an abundant number, since it is smaller than the sum of its proper divisors (8305855815180).

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

2867271639540 is a wasteful number, since it uses less digits than its factorization.

2867271639540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 2867271639540 in words is "two trillion, eight hundred sixty-seven billion, two hundred seventy-one million, six hundred thirty-nine thousand, five hundred forty".