210742044700 has 72 divisors (see below), whose sum is σ = 502525742544. Its totient is φ = 76074048000.

The previous prime is 210742044661. The next prime is 210742044757. The reversal of 210742044700 is 7440247012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548511 + ... + 849910.

It is an arithmetic number, because the mean of its divisors is an integer number (6979524202).

Almost surely, 2^210742044700 is an apocalyptic number.

210742044700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210742044700 is an abundant number, since it is smaller than the sum of its proper divisors (291783697844).

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

210742044700 is a wasteful number, since it uses less digits than its factorization.

210742044700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398583 (or 1398576 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The spelling of 210742044700 in words is "two hundred ten billion, seven hundred forty-two million, forty-four thousand, seven hundred".