2820925619400 has 144 divisors (see below), whose sum is σ = 10172603309040. Its totient is φ = 644782992000.

The previous prime is 2820925619389. The next prime is 2820925619497. The reversal of 2820925619400 is 49165290282.

It is a self number, because there is not a number n which added to its sum of digits gives 2820925619400.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47945526 + ... + 48004325.

It is an arithmetic number, because the mean of its divisors is an integer number (70643078535).

Almost surely, 2^{2820925619400} is an apocalyptic number.

2820925619400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2820925619400 is an abundant number, since it is smaller than the sum of its proper divisors (7351677689640).

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

2820925619400 is a wasteful number, since it uses less digits than its factorization.

2820925619400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95949884 (or 95949868 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 2820925619400 in words is "two trillion, eight hundred twenty billion, nine hundred twenty-five million, six hundred nineteen thousand, four hundred".