40480781440463 has 24 divisors (see below), whose sum is σ = 50183073006048. Its totient is φ = 31973240512512.

The previous prime is 40480781440417. The next prime is 40480781440487. The reversal of 40480781440463 is 36404418708404.

It is not a de Polignac number, because 40480781440463 - 2¹⁴ = 40480781424079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40480781490463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28969706 + ... + 30334887.

It is an arithmetic number, because the mean of its divisors is an integer number (2090961375252).

Almost surely, 2^{40480781440463} is an apocalyptic number.

40480781440463 is a deficient number, since it is larger than the sum of its proper divisors (9702291565585).

40480781440463 is a wasteful number, since it uses less digits than its factorization.

40480781440463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59305203 (or 59305190 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 53.

The spelling of 40480781440463 in words is "forty trillion, four hundred eighty billion, seven hundred eighty-one million, four hundred forty thousand, four hundred sixty-three".