210523490604 has 432 divisors, whose sum is σ = 664484970240. Its totient is φ = 55013955840.

The previous prime is 210523490599. The next prime is 210523490689. The reversal of 210523490604 is 406094325012.

It is a happy number.

210523490604 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 2 + 3 + 49 + 0 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 327407907 + ... + 327408549.

Almost surely, 2^210523490604 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 210523490604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332242485120).

210523490604 is an abundant number, since it is smaller than the sum of its proper divisors (453961479636).

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

210523490604 is a wasteful number, since it uses less digits than its factorization.

210523490604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 210523490604 in words is "two hundred ten billion, five hundred twenty-three million, four hundred ninety thousand, six hundred four".