2620677820444 has 6 divisors (see below), whose sum is σ = 4586186185784. Its totient is φ = 1310338910220.

The previous prime is 2620677820441. The next prime is 2620677820451. The reversal of 2620677820444 is 4440287760262.

It is a super-2 number, since 2×2620677820444² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2620677820391 and 2620677820400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620677820441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327584727552 + ... + 327584727559.

Almost surely, 2^{2620677820444} is an apocalyptic number.

It is an amenable number.

2620677820444 is a deficient number, since it is larger than the sum of its proper divisors (1965508365340).

2620677820444 is a wasteful number, since it uses less digits than its factorization.

2620677820444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655169455115 (or 655169455113 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 52.

The spelling of 2620677820444 in words is "two trillion, six hundred twenty billion, six hundred seventy-seven million, eight hundred twenty thousand, four hundred forty-four".