40774006777 has 4 divisors (see below), whose sum is σ = 46598864896. Its totient is φ = 34949148660.

The previous prime is 40774006753. The next prime is 40774006781. The reversal of 40774006777 is 77760047704.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40774006777 - 2¹¹ = 40774004729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40774006777.

It is not an unprimeable number, because it can be changed into a prime (40774006277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912429049 + ... + 2912429062.

It is an arithmetic number, because the mean of its divisors is an integer number (11649716224).

Almost surely, 2^40774006777 is an apocalyptic number.

It is an amenable number.

40774006777 is a deficient number, since it is larger than the sum of its proper divisors (5824858119).

40774006777 is an equidigital number, since it uses as much as digits as its factorization.

40774006777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824858118.

The product of its (nonzero) digits is 1613472, while the sum is 49.

The spelling of 40774006777 in words is "forty billion, seven hundred seventy-four million, six thousand, seven hundred seventy-seven".