210240478587412 has 144 divisors (see below), whose sum is σ = 478660646313360. Its totient is φ = 79991581114368.

The previous prime is 210240478587397. The next prime is 210240478587421. The reversal of 210240478587412 is 214785874042012.

It is a happy number.

210240478587412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4826343247236 + 205414135340176 = 2196894^2 + 14332276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13454758 + ... + 24525730.

It is an arithmetic number, because the mean of its divisors is an integer number (3324032266065).

Almost surely, 2^{210240478587412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210240478587412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239330323156680).

210240478587412 is an abundant number, since it is smaller than the sum of its proper divisors (268420167725948).

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

210240478587412 is a wasteful number, since it uses less digits than its factorization.

210240478587412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11071290 (or 11071281 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 55.

The spelling of 210240478587412 in words is "two hundred ten trillion, two hundred forty billion, four hundred seventy-eight million, five hundred eighty-seven thousand, four hundred twelve".