40738087277 has 2 divisors, whose sum is σ = 40738087278. Its totient is φ = 40738087276.

The previous prime is 40738087261. The next prime is 40738087339. The reversal of 40738087277 is 77278083704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25406447236 + 15331640041 = 159394^2 + 123821^2 .

It is a cyclic number.

It is not a de Polignac number, because 40738087277 - 2⁴ = 40738087261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40738087177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20369043638 + 20369043639.

It is an arithmetic number, because the mean of its divisors is an integer number (20369043639).

Almost surely, 2^40738087277 is an apocalyptic number.

It is an amenable number.

40738087277 is a deficient number, since it is larger than the sum of its proper divisors (1).

40738087277 is an equidigital number, since it uses as much as digits as its factorization.

40738087277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3687936, while the sum is 53.

The spelling of 40738087277 in words is "forty billion, seven hundred thirty-eight million, eighty-seven thousand, two hundred seventy-seven".