405210216140 has 48 divisors (see below), whose sum is σ = 853889347584. Its totient is φ = 161522846400.

The previous prime is 405210216137. The next prime is 405210216163. The reversal of 405210216140 is 41612012504.

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, 48057725 + ... + 48066155.

It is an arithmetic number, because the mean of its divisors is an integer number (17789361408).

Almost surely, 2^405210216140 is an apocalyptic number.

It is an amenable number.

405210216140 is an abundant number, since it is smaller than the sum of its proper divisors (448679131444).

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

405210216140 is a wasteful number, since it uses less digits than its factorization.

405210216140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16478 (or 16476 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 405210216140 its reverse (41612012504), we get a palindrome (446822228644).

The spelling of 405210216140 in words is "four hundred five billion, two hundred ten million, two hundred sixteen thousand, one hundred forty".