40743407377 has 2 divisors, whose sum is σ = 40743407378. Its totient is φ = 40743407376.

The previous prime is 40743407303. The next prime is 40743407381. The reversal of 40743407377 is 77370434704.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23743419921 + 16999987456 = 154089^2 + 130384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40743407377 is a prime.

It is not a weakly prime, because it can be changed into another prime (40743402377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20371703688 + 20371703689.

It is an arithmetic number, because the mean of its divisors is an integer number (20371703689).

Almost surely, 2^40743407377 is an apocalyptic number.

It is an amenable number.

40743407377 is a deficient number, since it is larger than the sum of its proper divisors (1).

40743407377 is an equidigital number, since it uses as much as digits as its factorization.

40743407377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382976, while the sum is 46.

The spelling of 40743407377 in words is "forty billion, seven hundred forty-three million, four hundred seven thousand, three hundred seventy-seven".