40254604243 has 16 divisors (see below), whose sum is σ = 46232683200. Its totient is φ = 34333802496.

The previous prime is 40254604219. The next prime is 40254604253. The reversal of 40254604243 is 34240645204.

It is not a de Polignac number, because 40254604243 - 2⁵ = 40254604211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40254604199 and 40254604208.

It is not an unprimeable number, because it can be changed into a prime (40254604253) 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, 1155171 + ... + 1189507.

It is an arithmetic number, because the mean of its divisors is an integer number (2889542700).

Almost surely, 2^40254604243 is an apocalyptic number.

40254604243 is a deficient number, since it is larger than the sum of its proper divisors (5978078957).

40254604243 is a wasteful number, since it uses less digits than its factorization.

40254604243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35166.

The product of its (nonzero) digits is 92160, while the sum is 34.

The spelling of 40254604243 in words is "forty billion, two hundred fifty-four million, six hundred four thousand, two hundred forty-three".