40283672778 has 24 divisors (see below), whose sum is σ = 87285276000. Its totient is φ = 13427277864.

The previous prime is 40283672773. The next prime is 40283672797. The reversal of 40283672778 is 87727638204.

40283672778 is a `hidden beast` number, since 4 + 0 + 2 + 8 + 367 + 277 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (40283672773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537193 + ... + 607571.

It is an arithmetic number, because the mean of its divisors is an integer number (3636886500).

Almost surely, 2^40283672778 is an apocalyptic number.

40283672778 is an abundant number, since it is smaller than the sum of its proper divisors (47001603222).

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

40283672778 is a wasteful number, since it uses less digits than its factorization.

40283672778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102186 (or 102183 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 40283672778 in words is "forty billion, two hundred eighty-three million, six hundred seventy-two thousand, seven hundred seventy-eight".