40204234554442 has 8 divisors (see below), whose sum is σ = 68921544950496. Its totient is φ = 17230386237612.

The previous prime is 40204234554403. The next prime is 40204234554461. The reversal of 40204234554442 is 24445543240204.

It is a happy number.

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

It is a super-2 number, since 2×40204234554442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435865519788 + ... + 1435865519815.

It is an arithmetic number, because the mean of its divisors is an integer number (8615193118812).

Almost surely, 2^{40204234554442} is an apocalyptic number.

40204234554442 is a deficient number, since it is larger than the sum of its proper divisors (28717310396054).

40204234554442 is a wasteful number, since it uses less digits than its factorization.

40204234554442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871731039612.

The product of its (nonzero) digits is 2457600, while the sum is 43.

Adding to 40204234554442 its reverse (24445543240204), we get a palindrome (64649777794646).

The spelling of 40204234554442 in words is "forty trillion, two hundred four billion, two hundred thirty-four million, five hundred fifty-four thousand, four hundred forty-two".