2901821148780 has 96 divisors (see below), whose sum is σ = 8326244828160. Its totient is φ = 754675729920.

The previous prime is 2901821148767. The next prime is 2901821148803. The reversal of 2901821148780 is 878411281092.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6725517 + ... + 7143963.

It is an arithmetic number, because the mean of its divisors is an integer number (86731716960).

Almost surely, 2^{2901821148780} is an apocalyptic number.

2901821148780 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 2901821148780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4163122414080).

2901821148780 is an abundant number, since it is smaller than the sum of its proper divisors (5424423679380).

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

2901821148780 is a wasteful number, since it uses less digits than its factorization.

2901821148780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421319 (or 421317 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 51.

The spelling of 2901821148780 in words is "two trillion, nine hundred one billion, eight hundred twenty-one million, one hundred forty-eight thousand, seven hundred eighty".