40300040024021 has 16 divisors (see below), whose sum is σ = 40483842664320. Its totient is φ = 40116540253440.

The previous prime is 40300040024009. The next prime is 40300040024047. The reversal of 40300040024021 is 12042004000304.

It is a cyclic number.

It is not a de Polignac number, because 40300040024021 - 2²² = 40300035829717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40300040023984 and 40300040024002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40300040024821) 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, 1712042270 + ... + 1712065808.

It is an arithmetic number, because the mean of its divisors is an integer number (2530240166520).

Almost surely, 2^{40300040024021} is an apocalyptic number.

It is an amenable number.

40300040024021 is a deficient number, since it is larger than the sum of its proper divisors (183802640299).

40300040024021 is a wasteful number, since it uses less digits than its factorization.

40300040024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29644.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40300040024021 its reverse (12042004000304), we get a palindrome (52342044024325).

The spelling of 40300040024021 in words is "forty trillion, three hundred billion, forty million, twenty-four thousand, twenty-one".