207231326460 has 72 divisors (see below), whose sum is σ = 638906669856. Its totient is φ = 54355754880.

The previous prime is 207231326443. The next prime is 207231326501. The reversal of 207231326460 is 64623132702.

207231326460 is a `hidden beast` number, since 2 + 0 + 7 + 2 + 3 + 1 + 3 + 2 + 646 + 0 = 666.

It is a super-2 number, since 2×207231326460² (a number of 23 digits) contains 22 as substring.

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9425784 + ... + 9447743.

It is an arithmetic number, because the mean of its divisors is an integer number (8873703748).

Almost surely, 2^207231326460 is an apocalyptic number.

207231326460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207231326460 is an abundant number, since it is smaller than the sum of its proper divisors (431675343396).

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

207231326460 is a wasteful number, since it uses less digits than its factorization.

207231326460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18873603 (or 18873598 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 207231326460 in words is "two hundred seven billion, two hundred thirty-one million, three hundred twenty-six thousand, four hundred sixty".