2657820287562 has 48 divisors (see below), whose sum is σ = 5856690626976. Its totient is φ = 803486930400.

The previous prime is 2657820287539. The next prime is 2657820287581.

2657820287562 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2657820287496 and 2657820287505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4042228 + ... + 4653519.

It is an arithmetic number, because the mean of its divisors is an integer number (122014388062).

Almost surely, 2^{2657820287562} is an apocalyptic number.

2657820287562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2657820287562 is an abundant number, since it is smaller than the sum of its proper divisors (3198870339414).

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

2657820287562 is a wasteful number, since it uses less digits than its factorization.

2657820287562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696195 (or 8696184 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 2657820287562 in words is "two trillion, six hundred fifty-seven billion, eight hundred twenty million, two hundred eighty-seven thousand, five hundred sixty-two".