2644206031100 has 36 divisors (see below), whose sum is σ = 5769628381608. Its totient is φ = 1051838856000.

The previous prime is 2644206031073. The next prime is 2644206031211. The reversal of 2644206031100 is 11306024462.

It is a super-2 number, since 2×2644206031100² (a number of 26 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 73026266 + ... + 73062465.

Almost surely, 2^{2644206031100} is an apocalyptic number.

2644206031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2644206031100 is an abundant number, since it is smaller than the sum of its proper divisors (3125422350508).

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

2644206031100 is a wasteful number, since it uses less digits than its factorization.

2644206031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146088926 (or 146088919 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 2644206031100 in words is "two trillion, six hundred forty-four billion, two hundred six million, thirty-one thousand, one hundred".