2820263290460 has 48 divisors (see below), whose sum is σ = 7383962073600. Its totient is φ = 879043103040.

The previous prime is 2820263290423. The next prime is 2820263290483. The reversal of 2820263290460 is 640923620282.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915668360 + ... + 915671439.

It is an arithmetic number, because the mean of its divisors is an integer number (153832543200).

Almost surely, 2^{2820263290460} is an apocalyptic number.

2820263290460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2820263290460 is an abundant number, since it is smaller than the sum of its proper divisors (4563698783140).

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

2820263290460 is a wasteful number, since it uses less digits than its factorization.

2820263290460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831339826 (or 1831339824 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 2820263290460 in words is "two trillion, eight hundred twenty billion, two hundred sixty-three million, two hundred ninety thousand, four hundred sixty".