40974621777 has 6 divisors (see below), whose sum is σ = 59185564802. Its totient is φ = 27316414512.

The previous prime is 40974621767. The next prime is 40974621791. The reversal of 40974621777 is 77712647904.

40974621777 is a `hidden beast` number, since 4 + 0 + 9 + 7 + 4 + 621 + 7 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36925081281 + 4049540496 = 192159^2 + 63636^2 .

It is not a de Polignac number, because 40974621777 - 2⁶ = 40974621713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40974621707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2276367868 + ... + 2276367885.

Almost surely, 2^40974621777 is an apocalyptic number.

It is an amenable number.

40974621777 is a deficient number, since it is larger than the sum of its proper divisors (18210943025).

40974621777 is a wasteful number, since it uses less digits than its factorization.

40974621777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552735759 (or 4552735756 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The spelling of 40974621777 in words is "forty billion, nine hundred seventy-four million, six hundred twenty-one thousand, seven hundred seventy-seven".