40700060521 has 2 divisors, whose sum is σ = 40700060522. Its totient is φ = 40700060520.

The previous prime is 40700060507. The next prime is 40700060537. The reversal of 40700060521 is 12506000704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27780555625 + 12919504896 = 166675^2 + 113664^2 .

It is a cyclic number.

It is not a de Polignac number, because 40700060521 - 2¹³ = 40700052329 is a prime.

It is not a weakly prime, because it can be changed into another prime (40700060501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20350030260 + 20350030261.

It is an arithmetic number, because the mean of its divisors is an integer number (20350030261).

Almost surely, 2^40700060521 is an apocalyptic number.

It is an amenable number.

40700060521 is a deficient number, since it is larger than the sum of its proper divisors (1).

40700060521 is an equidigital number, since it uses as much as digits as its factorization.

40700060521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 40700060521 in words is "forty billion, seven hundred million, sixty thousand, five hundred twenty-one".