40000437000481 has 2 divisors, whose sum is σ = 40000437000482. Its totient is φ = 40000437000480.

The previous prime is 40000437000457. The next prime is 40000437000493. The reversal of 40000437000481 is 18400073400004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27198467496225 + 12801969504256 = 5215215^2 + 3577984^2 .

It is a cyclic number.

It is not a de Polignac number, because 40000437000481 - 2⁵ = 40000437000449 is a prime.

It is a super-2 number, since 2×40000437000481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40000437003481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000218500240 + 20000218500241.

It is an arithmetic number, because the mean of its divisors is an integer number (20000218500241).

Almost surely, 2^{40000437000481} is an apocalyptic number.

It is an amenable number.

40000437000481 is a deficient number, since it is larger than the sum of its proper divisors (1).

40000437000481 is an equidigital number, since it uses as much as digits as its factorization.

40000437000481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 40000437000481 in words is "forty trillion, four hundred thirty-seven million, four hundred eighty-one", and thus it is an aban number.