40037776777 has 16 divisors (see below), whose sum is σ = 41400817920. Its totient is φ = 38698414848.

The previous prime is 40037776693. The next prime is 40037776787. The reversal of 40037776777 is 77767773004.

It is a cyclic number.

It is not a de Polignac number, because 40037776777 - 2³⁵ = 5678038409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40037776787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560033 + ... + 1585489.

It is an arithmetic number, because the mean of its divisors is an integer number (2587551120).

Almost surely, 2^40037776777 is an apocalyptic number.

40037776777 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40037776777 is a deficient number, since it is larger than the sum of its proper divisors (1363041143).

40037776777 is a wasteful number, since it uses less digits than its factorization.

40037776777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25920.

The product of its (nonzero) digits is 8470728, while the sum is 55.

The spelling of 40037776777 in words is "forty billion, thirty-seven million, seven hundred seventy-six thousand, seven hundred seventy-seven".