40020403337 has 2 divisors, whose sum is σ = 40020403338. Its totient is φ = 40020403336.

The previous prime is 40020403331. The next prime is 40020403349. The reversal of 40020403337 is 73330402004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37318898761 + 2701504576 = 193181^2 + 51976^2 .

It is a cyclic number.

It is not a de Polignac number, because 40020403337 - 2¹² = 40020399241 is a prime.

It is not a weakly prime, because it can be changed into another prime (40020403331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010201668 + 20010201669.

It is an arithmetic number, because the mean of its divisors is an integer number (20010201669).

Almost surely, 2^40020403337 is an apocalyptic number.

It is an amenable number.

40020403337 is a deficient number, since it is larger than the sum of its proper divisors (1).

40020403337 is an equidigital number, since it uses as much as digits as its factorization.

40020403337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 26.

The spelling of 40020403337 in words is "forty billion, twenty million, four hundred three thousand, three hundred thirty-seven".