40307280678 has 24 divisors (see below), whose sum is σ = 99808504848. Its totient is φ = 11516365872.

The previous prime is 40307280659. The next prime is 40307280679. The reversal of 40307280678 is 87608270304.

It is a happy number.

40307280678 is a `hidden beast` number, since 4 + 0 + 307 + 280 + 67 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40307280679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159949401 + ... + 159949652.

It is an arithmetic number, because the mean of its divisors is an integer number (4158687702).

Almost surely, 2^40307280678 is an apocalyptic number.

40307280678 is an abundant number, since it is smaller than the sum of its proper divisors (59501224170).

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

40307280678 is a wasteful number, since it uses less digits than its factorization.

40307280678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319899068 (or 319899065 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 40307280678 in words is "forty billion, three hundred seven million, two hundred eighty thousand, six hundred seventy-eight".