207240115883940 has 72 divisors (see below), whose sum is σ = 628638386129208. Its totient is φ = 55263148738560.

The previous prime is 207240115883861. The next prime is 207240115883987. The reversal of 207240115883940 is 49388511042702.

207240115883940 is a `hidden beast` number, since 2 + 0 + 7 + 2 + 4 + 0 + 11 + 588 + 3 + 9 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 122242742646336 + 84997373237604 = 11056344^2 + 9219402^2 .

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, 2157204 + ... + 20472756.

It is an arithmetic number, because the mean of its divisors is an integer number (8731088696239).

Almost surely, 2^{207240115883940} is an apocalyptic number.

207240115883940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207240115883940 is an abundant number, since it is smaller than the sum of its proper divisors (421398270245268).

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

207240115883940 is a wasteful number, since it uses less digits than its factorization.

207240115883940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18378429 (or 18378424 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 207240115883940 in words is "two hundred seven trillion, two hundred forty billion, one hundred fifteen million, eight hundred eighty-three thousand, nine hundred forty".