40624304030021 has 8 divisors (see below), whose sum is σ = 40635760598784. Its totient is φ = 40612848644160.

The previous prime is 40624304029979. The next prime is 40624304030033. The reversal of 40624304030021 is 12003040342604.

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 40624304030021 - 2³⁰ = 40623230288197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40624304030071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70794026 + ... + 71365556.

It is an arithmetic number, because the mean of its divisors is an integer number (5079470074848).

Almost surely, 2^{40624304030021} is an apocalyptic number.

It is an amenable number.

40624304030021 is a deficient number, since it is larger than the sum of its proper divisors (11456568763).

40624304030021 is a wasteful number, since it uses less digits than its factorization.

40624304030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591451.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 40624304030021 its reverse (12003040342604), we get a palindrome (52627344372625).

The spelling of 40624304030021 in words is "forty trillion, six hundred twenty-four billion, three hundred four million, thirty thousand, twenty-one".