40778152263 has 12 divisors (see below), whose sum is σ = 62366586048. Its totient is φ = 25586291520.

The previous prime is 40778152223. The next prime is 40778152319. The reversal of 40778152263 is 36225187704.

40778152263 is a `hidden beast` number, since 40 + 7 + 7 + 81 + 522 + 6 + 3 = 666.

It is not a de Polignac number, because 40778152263 - 2¹⁸ = 40777890119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40778152213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133261783 + ... + 133262088.

It is an arithmetic number, because the mean of its divisors is an integer number (5197215504).

Almost surely, 2^40778152263 is an apocalyptic number.

40778152263 is a deficient number, since it is larger than the sum of its proper divisors (21588433785).

40778152263 is a wasteful number, since it uses less digits than its factorization.

40778152263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266523894 (or 266523891 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 40778152263 in words is "forty billion, seven hundred seventy-eight million, one hundred fifty-two thousand, two hundred sixty-three".