2091062648040 has 64 divisors (see below), whose sum is σ = 6348768552000. Its totient is φ = 550898429952.

The previous prime is 2091062647987. The next prime is 2091062648053. The reversal of 2091062648040 is 408462601902.

It is a junction number, because it is equal to n+sod(n) for n = 2091062647983 and 2091062648001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104963065 + ... + 104982984.

It is an arithmetic number, because the mean of its divisors is an integer number (99199508625).

Almost surely, 2^{2091062648040} is an apocalyptic number.

2091062648040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091062648040 is an abundant number, since it is smaller than the sum of its proper divisors (4257705903960).

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

2091062648040 is a wasteful number, since it uses less digits than its factorization.

2091062648040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209946146 (or 209946142 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 2091062648040 in words is "two trillion, ninety-one billion, sixty-two million, six hundred forty-eight thousand, forty".