210104402140 has 24 divisors (see below), whose sum is σ = 441360026352. Its totient is φ = 84014945280.

The previous prime is 210104402077. The next prime is 210104402171. The reversal of 210104402140 is 41204401012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611666 + ... + 1737145.

It is an arithmetic number, because the mean of its divisors is an integer number (18390001098).

Almost surely, 2^210104402140 is an apocalyptic number.

210104402140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210104402140 is an abundant number, since it is smaller than the sum of its proper divisors (231255624212).

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

210104402140 is a wasteful number, since it uses less digits than its factorization.

210104402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351957 (or 3351955 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210104402140 its reverse (41204401012), we get a palindrome (251308803152).

The spelling of 210104402140 in words is "two hundred ten billion, one hundred four million, four hundred two thousand, one hundred forty".