40206564280 has 16 divisors (see below), whose sum is σ = 90464769720. Its totient is φ = 16082625696.

The previous prime is 40206564241. The next prime is 40206564283. The reversal of 40206564280 is 8246560204.

It is a super-2 number, since 2×40206564280² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40206564283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502582014 + ... + 502582093.

Almost surely, 2^40206564280 is an apocalyptic number.

40206564280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40206564280 is an abundant number, since it is smaller than the sum of its proper divisors (50258205440).

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

40206564280 is a wasteful number, since it uses less digits than its factorization.

40206564280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005164118 (or 1005164114 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 40206564280 in words is "forty billion, two hundred six million, five hundred sixty-four thousand, two hundred eighty".