40049278067 has 2 divisors, whose sum is σ = 40049278068. Its totient is φ = 40049278066.

The previous prime is 40049278063. The next prime is 40049278099. The reversal of 40049278067 is 76087294004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40049278067 - 2² = 40049278063 is a prime.

It is a super-3 number, since 3×40049278067³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (40049278063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20024639033 + 20024639034.

It is an arithmetic number, because the mean of its divisors is an integer number (20024639034).

Almost surely, 2^40049278067 is an apocalyptic number.

40049278067 is a deficient number, since it is larger than the sum of its proper divisors (1).

40049278067 is an equidigital number, since it uses as much as digits as its factorization.

40049278067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 40049278067 in words is "forty billion, forty-nine million, two hundred seventy-eight thousand, sixty-seven".