2928044664820 has 48 divisors (see below), whose sum is σ = 7102465570368. Its totient is φ = 1002111541760.

The previous prime is 2928044664799. The next prime is 2928044664847. The reversal of 2928044664820 is 284664408292.

It is a super-2 number, since 2×2928044664820² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 391446082 + ... + 391453561.

It is an arithmetic number, because the mean of its divisors is an integer number (147968032716).

Almost surely, 2^{2928044664820} is an apocalyptic number.

2928044664820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2928044664820 is an abundant number, since it is smaller than the sum of its proper divisors (4174420905548).

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

2928044664820 is a wasteful number, since it uses less digits than its factorization.

2928044664820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782899680 (or 782899678 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 55.

The spelling of 2928044664820 in words is "two trillion, nine hundred twenty-eight billion, forty-four million, six hundred sixty-four thousand, eight hundred twenty".