40068784080 has 160 divisors (see below), whose sum is σ = 148631320320. Its totient is φ = 9863078400.

The previous prime is 40068784079. The next prime is 40068784109. The reversal of 40068784080 is 8048786004.

40068784080 is a `hidden beast` number, since 400 + 68 + 78 + 40 + 80 = 666.

It is a super-2 number, since 2×40068784080² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 685396 + ... + 741555.

It is an arithmetic number, because the mean of its divisors is an integer number (928945752).

Almost surely, 2^40068784080 is an apocalyptic number.

40068784080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40068784080 is an abundant number, since it is smaller than the sum of its proper divisors (108562536240).

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

40068784080 is a wasteful number, since it uses less digits than its factorization.

40068784080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426986 (or 1426974 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 40068784080 in words is "forty billion, sixty-eight million, seven hundred eighty-four thousand, eighty".