40247983201 has 2 divisors, whose sum is σ = 40247983202. Its totient is φ = 40247983200.

The previous prime is 40247983159. The next prime is 40247983211. The reversal of 40247983201 is 10238974204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34380576400 + 5867406801 = 185420^2 + 76599^2 .

It is a cyclic number.

It is not a de Polignac number, because 40247983201 - 2²⁵ = 40214428769 is a prime.

It is not a weakly prime, because it can be changed into another prime (40247983211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20123991600 + 20123991601.

It is an arithmetic number, because the mean of its divisors is an integer number (20123991601).

Almost surely, 2^40247983201 is an apocalyptic number.

It is an amenable number.

40247983201 is a deficient number, since it is larger than the sum of its proper divisors (1).

40247983201 is an equidigital number, since it uses as much as digits as its factorization.

40247983201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

Subtracting from 40247983201 its sum of digits (40), we obtain a square (40247983161 = 200619²).

The spelling of 40247983201 in words is "forty billion, two hundred forty-seven million, nine hundred eighty-three thousand, two hundred one".