2606634477980 has 24 divisors (see below), whose sum is σ = 5895004127712. Its totient is φ = 962449653312.

The previous prime is 2606634477917. The next prime is 2606634478033. The reversal of 2606634477980 is 897744366062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5012758352 + ... + 5012758871.

It is an arithmetic number, because the mean of its divisors is an integer number (245625171988).

Almost surely, 2^{2606634477980} is an apocalyptic number.

2606634477980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2606634477980 is an abundant number, since it is smaller than the sum of its proper divisors (3288369649732).

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

2606634477980 is a wasteful number, since it uses less digits than its factorization.

2606634477980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025517245 (or 10025517243 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 2606634477980 in words is "two trillion, six hundred six billion, six hundred thirty-four million, four hundred seventy-seven thousand, nine hundred eighty".