40736774061 has 6 divisors (see below), whose sum is σ = 58842006990. Its totient is φ = 27157849368.

The previous prime is 40736774027. The next prime is 40736774119. The reversal of 40736774061 is 16047763704.

It can be written as a sum of positive squares in only one way, i.e., 35294761161 + 5442012900 = 187869^2 + 73770^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40736774061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40736773998 and 40736774016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40736774011) 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, 2263154106 + ... + 2263154123.

It is an arithmetic number, because the mean of its divisors is an integer number (9807001165).

Almost surely, 2^40736774061 is an apocalyptic number.

It is an amenable number.

40736774061 is a deficient number, since it is larger than the sum of its proper divisors (18105232929).

40736774061 is a wasteful number, since it uses less digits than its factorization.

40736774061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526308235 (or 4526308232 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 40736774061 in words is "forty billion, seven hundred thirty-six million, seven hundred seventy-four thousand, sixty-one".