207085224840 has 384 divisors, whose sum is σ = 717196032000. Its totient is φ = 47673639936.

The previous prime is 207085224839. The next prime is 207085224869. The reversal of 207085224840 is 48422580702.

It is a junction number, because it is equal to n+sod(n) for n = 207085224792 and 207085224801.

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, 30436879 + ... + 30443681.

It is an arithmetic number, because the mean of its divisors is an integer number (1867698000).

Almost surely, 2^207085224840 is an apocalyptic number.

207085224840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207085224840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358598016000).

207085224840 is an abundant number, since it is smaller than the sum of its proper divisors (510110807160).

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

207085224840 is a wasteful number, since it uses less digits than its factorization.

207085224840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The spelling of 207085224840 in words is "two hundred seven billion, eighty-five million, two hundred twenty-four thousand, eight hundred forty".