40334402021 has 8 divisors (see below), whose sum is σ = 41859417600. Its totient is φ = 38818331440.

The previous prime is 40334401993. The next prime is 40334402039. The reversal of 40334402021 is 12020443304.

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

It is a cyclic number.

It is not a de Polignac number, because 40334402021 - 2¹⁸ = 40334139877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40334402041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227061 + ... + 2245098.

It is an arithmetic number, because the mean of its divisors is an integer number (5232427200).

Almost surely, 2^40334402021 is an apocalyptic number.

It is an amenable number.

40334402021 is a deficient number, since it is larger than the sum of its proper divisors (1525015579).

40334402021 is a wasteful number, since it uses less digits than its factorization.

40334402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472499.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40334402021 its reverse (12020443304), we get a palindrome (52354845325).

The spelling of 40334402021 in words is "forty billion, three hundred thirty-four million, four hundred two thousand, twenty-one".