40270970881 has 2 divisors, whose sum is σ = 40270970882. Its totient is φ = 40270970880.

The previous prime is 40270970851. The next prime is 40270970933. The reversal of 40270970881 is 18807907204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31120135281 + 9150835600 = 176409^2 + 95660^2 .

It is a cyclic number.

It is not a de Polignac number, because 40270970881 - 2¹¹ = 40270968833 is a prime.

It is a super-2 number, since 2×40270970881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40270970851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135485440 + 20135485441.

It is an arithmetic number, because the mean of its divisors is an integer number (20135485441).

Almost surely, 2^40270970881 is an apocalyptic number.

It is an amenable number.

40270970881 is a deficient number, since it is larger than the sum of its proper divisors (1).

40270970881 is an equidigital number, since it uses as much as digits as its factorization.

40270970881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 40270970881 in words is "forty billion, two hundred seventy million, nine hundred seventy thousand, eight hundred eighty-one".