1902797656280 has 32 divisors (see below), whose sum is σ = 4285722212640. Its totient is φ = 760331953920.

The previous prime is 1902797656241. The next prime is 1902797656301. The reversal of 1902797656280 is 826567972091.

It is a super-2 number, since 2×1902797656280² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24557981 + ... + 24635340.

It is an arithmetic number, because the mean of its divisors is an integer number (133928819145).

Almost surely, 2^{1902797656280} is an apocalyptic number.

1902797656280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1902797656280 is an abundant number, since it is smaller than the sum of its proper divisors (2382924556360).

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

1902797656280 is a wasteful number, since it uses less digits than its factorization.

1902797656280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49194299 (or 49194295 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 1902797656280 in words is "one trillion, nine hundred two billion, seven hundred ninety-seven million, six hundred fifty-six thousand, two hundred eighty".