2620786080040 has 32 divisors (see below), whose sum is σ = 5896848259080. Its totient is φ = 1048300284672.

The previous prime is 2620786079993. The next prime is 2620786080061. The reversal of 2620786080040 is 400806870262.

It can be written as a sum of positive squares in 4 ways, for example, as 2568410095876 + 52375984164 = 1602626^2 + 228858^2 .

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, 2864194 + ... + 3666766.

Almost surely, 2^{2620786080040} is an apocalyptic number.

2620786080040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2620786080040 is an abundant number, since it is smaller than the sum of its proper divisors (3276062179040).

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

2620786080040 is a wasteful number, since it uses less digits than its factorization.

2620786080040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884221 (or 884217 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 2620786080040 in words is "two trillion, six hundred twenty billion, seven hundred eighty-six million, eighty thousand, forty".