5340404445021 has 32 divisors (see below), whose sum is σ = 8338162736000. Its totient is φ = 3368818128384.

The previous prime is 5340404444981. The next prime is 5340404445023. The reversal of 5340404445021 is 1205444040435.

5340404445021 is a `hidden beast` number, since 534 + 0 + 40 + 44 + 45 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 5340404445021 - 2¹¹ = 5340404442973 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 (5340404445023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5853460 + ... + 6704013.

It is an arithmetic number, because the mean of its divisors is an integer number (260567585500).

Almost surely, 2^{5340404445021} is an apocalyptic number.

It is an amenable number.

5340404445021 is a deficient number, since it is larger than the sum of its proper divisors (2997758290979).

5340404445021 is a wasteful number, since it uses less digits than its factorization.

5340404445021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558330 (or 12558324 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 5340404445021 its reverse (1205444040435), we get a palindrome (6545848485456).

The spelling of 5340404445021 in words is "five trillion, three hundred forty billion, four hundred four million, four hundred forty-five thousand, twenty-one".