40808916351 has 12 divisors (see below), whose sum is σ = 67367100112. Its totient is φ = 23319380736.

The previous prime is 40808916341. The next prime is 40808916383. The reversal of 40808916351 is 15361980804.

40808916351 is a `hidden beast` number, since 4 + 0 + 8 + 0 + 8 + 9 + 1 + 635 + 1 = 666.

40808916351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40808916351 - 2¹⁹ = 40808392063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40808916297 and 40808916306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40808916311) 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, 323880226 + ... + 323880351.

Almost surely, 2^40808916351 is an apocalyptic number.

40808916351 is a deficient number, since it is larger than the sum of its proper divisors (26558183761).

40808916351 is a wasteful number, since it uses less digits than its factorization.

40808916351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647760590 (or 647760587 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 40808916351 in words is "forty billion, eight hundred eight million, nine hundred sixteen thousand, three hundred fifty-one".