207066802540 has 48 divisors (see below), whose sum is σ = 472433760288. Its totient is φ = 75778827264.

The previous prime is 207066802531. The next prime is 207066802561. The reversal of 207066802540 is 45208660702.

It is a junction number, because it is equal to n+sod(n) for n = 207066802493 and 207066802502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3494562 + ... + 3553321.

It is an arithmetic number, because the mean of its divisors is an integer number (9842370006).

Almost surely, 2^207066802540 is an apocalyptic number.

207066802540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207066802540 is an abundant number, since it is smaller than the sum of its proper divisors (265366957748).

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

207066802540 is a wasteful number, since it uses less digits than its factorization.

207066802540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048018 (or 7048016 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 207066802540 in words is "two hundred seven billion, sixty-six million, eight hundred two thousand, five hundred forty".