870032535450 has 192 divisors, whose sum is σ = 2425592168832. Its totient is φ = 204956697600.

The previous prime is 870032535401. The next prime is 870032535479. The reversal of 870032535450 is 54535230078.

It is a happy number.

It is a super-2 number, since 2×870032535450² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4302309 + ... + 4499991.

It is an arithmetic number, because the mean of its divisors is an integer number (12633292546).

Almost surely, 2^870032535450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870032535450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212796084416).

870032535450 is an abundant number, since it is smaller than the sum of its proper divisors (1555559633382).

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

870032535450 is a wasteful number, since it uses less digits than its factorization.

870032535450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197809 (or 197804 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 870032535450 in words is "eight hundred seventy billion, thirty-two million, five hundred thirty-five thousand, four hundred fifty".