40040200424 has 32 divisors (see below), whose sum is σ = 85808782080. Its totient is φ = 17158415424.

The previous prime is 40040200391. The next prime is 40040200451. The reversal of 40040200424 is 42400204004.

It is a junction number, because it is equal to n+sod(n) for n = 40040200396 and 40040200405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672974 + ... + 730050.

It is an arithmetic number, because the mean of its divisors is an integer number (2681524440).

Almost surely, 2^40040200424 is an apocalyptic number.

It is an amenable number.

40040200424 is an abundant number, since it is smaller than the sum of its proper divisors (45768581656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40040200424 is a wasteful number, since it uses less digits than its factorization.

40040200424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69617 (or 69613 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40040200424 its reverse (42400204004), we get a palindrome (82440404428).

The spelling of 40040200424 in words is "forty billion, forty million, two hundred thousand, four hundred twenty-four".