210550104240 has 80 divisors (see below), whose sum is σ = 745948946688. Its totient is φ = 48125737728.

The previous prime is 210550104229. The next prime is 210550104269. The reversal of 210550104240 is 42401055012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 210550104240.

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, 62662042 + ... + 62665401.

Almost surely, 2^210550104240 is an apocalyptic number.

210550104240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210550104240 is an abundant number, since it is smaller than the sum of its proper divisors (535398842448).

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

210550104240 is a wasteful number, since it uses less digits than its factorization.

210550104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125327466 (or 125327460 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 210550104240 its reverse (42401055012), we get a palindrome (252951159252).

The spelling of 210550104240 in words is "two hundred ten billion, five hundred fifty million, one hundred four thousand, two hundred forty".