40040200442 has 8 divisors (see below), whose sum is σ = 65520328032. Its totient is φ = 18200091100.

The previous prime is 40040200391. The next prime is 40040200451. The reversal of 40040200442 is 24400204004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910004534 + ... + 910004577.

It is an arithmetic number, because the mean of its divisors is an integer number (8190041004).

Almost surely, 2^40040200442 is an apocalyptic number.

40040200442 is a deficient number, since it is larger than the sum of its proper divisors (25480127590).

40040200442 is a wasteful number, since it uses less digits than its factorization.

40040200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820009124.

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

Adding to 40040200442 its reverse (24400204004), we get a palindrome (64440404446).

The spelling of 40040200442 in words is "forty billion, forty million, two hundred thousand, four hundred forty-two".