40034044421 has 16 divisors (see below), whose sum is σ = 47879328000. Its totient is φ = 32728848768.

The previous prime is 40034044361. The next prime is 40034044423. The reversal of 40034044421 is 12444043004.

It is a happy number.

It is not a de Polignac number, because 40034044421 - 2⁶ = 40034044357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40034044423) 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, 300056 + ... + 412433.

It is an arithmetic number, because the mean of its divisors is an integer number (2992458000).

Almost surely, 2^40034044421 is an apocalyptic number.

It is an amenable number.

40034044421 is a deficient number, since it is larger than the sum of its proper divisors (7845283579).

40034044421 is a wasteful number, since it uses less digits than its factorization.

40034044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712868.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40034044421 its reverse (12444043004), we get a palindrome (52478087425).

The spelling of 40034044421 in words is "forty billion, thirty-four million, forty-four thousand, four hundred twenty-one".