40503829281 has 16 divisors (see below), whose sum is σ = 57262579200. Its totient is φ = 25378299648.

The previous prime is 40503829237. The next prime is 40503829307. The reversal of 40503829281 is 18292830504.

40503829281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40503829281 - 2⁶ = 40503829217 is a prime.

It is a super-2 number, since 2×40503829281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40503829211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523921 + ... + 596238.

It is an arithmetic number, because the mean of its divisors is an integer number (3578911200).

Almost surely, 2^40503829281 is an apocalyptic number.

It is an amenable number.

40503829281 is a deficient number, since it is larger than the sum of its proper divisors (16758749919).

40503829281 is a wasteful number, since it uses less digits than its factorization.

40503829281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120888.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 40503829281 in words is "forty billion, five hundred three million, eight hundred twenty-nine thousand, two hundred eighty-one".