206415363040 has 48 divisors (see below), whose sum is σ = 498997155888. Its totient is φ = 80645999616.

The previous prime is 206415363017. The next prime is 206415363047. The reversal of 206415363040 is 40363514602.

It is a junction number, because it is equal to n+sod(n) for n = 206415362987 and 206415363005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206415363047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14994237 + ... + 15007996.

It is an arithmetic number, because the mean of its divisors is an integer number (10395774081).

Almost surely, 2^206415363040 is an apocalyptic number.

206415363040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206415363040 is an abundant number, since it is smaller than the sum of its proper divisors (292581792848).

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

206415363040 is a wasteful number, since it uses less digits than its factorization.

206415363040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30002291 (or 30002283 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 206415363040 its reverse (40363514602), we get a palindrome (246778877642).

The spelling of 206415363040 in words is "two hundred six billion, four hundred fifteen million, three hundred sixty-three thousand, forty".