40777674337 has 4 divisors (see below), whose sum is σ = 40898676676. Its totient is φ = 40656672000.

The previous prime is 40777674313. The next prime is 40777674341. The reversal of 40777674337 is 73347677704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29096171776 + 11681502561 = 170576^2 + 108081^2 .

It is a cyclic number.

It is not a de Polignac number, because 40777674337 - 2¹⁹ = 40777150049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40777674437) 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, 60500664 + ... + 60501337.

It is an arithmetic number, because the mean of its divisors is an integer number (10224669169).

Almost surely, 2^40777674337 is an apocalyptic number.

It is an amenable number.

40777674337 is a deficient number, since it is larger than the sum of its proper divisors (121002339).

40777674337 is a wasteful number, since it uses less digits than its factorization.

40777674337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121002338.

The product of its (nonzero) digits is 14521248, while the sum is 55.

The spelling of 40777674337 in words is "forty billion, seven hundred seventy-seven million, six hundred seventy-four thousand, three hundred thirty-seven".