40021444004234 has 32 divisors (see below), whose sum is σ = 75586340460672. Its totient is φ = 15438386520000.

The previous prime is 40021444004207. The next prime is 40021444004273. The reversal of 40021444004234 is 43240044412004.

It is a self number, because there is not a number n which added to its sum of digits gives 40021444004234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286516657 + ... + 1286547764.

It is an arithmetic number, because the mean of its divisors is an integer number (2362073139396).

Almost surely, 2^{40021444004234} is an apocalyptic number.

40021444004234 is a deficient number, since it is larger than the sum of its proper divisors (35564896456438).

40021444004234 is a wasteful number, since it uses less digits than its factorization.

40021444004234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573064542.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 40021444004234 its reverse (43240044412004), we get a palindrome (83261488416238).

The spelling of 40021444004234 in words is "forty trillion, twenty-one billion, four hundred forty-four million, four thousand, two hundred thirty-four".