40323142004321 has 16 divisors (see below), whose sum is σ = 45402134964480. Its totient is φ = 35498237800080.

The previous prime is 40323142004317. The next prime is 40323142004357. The reversal of 40323142004321 is 12340024132304.

It is not a de Polignac number, because 40323142004321 - 2² = 40323142004317 is a prime.

It is a super-2 number, since 2×40323142004321² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40323142004021) 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, 463622111 + ... + 463709076.

It is an arithmetic number, because the mean of its divisors is an integer number (2837633435280).

Almost surely, 2^{40323142004321} is an apocalyptic number.

It is an amenable number.

40323142004321 is a deficient number, since it is larger than the sum of its proper divisors (5078992960159).

40323142004321 is a wasteful number, since it uses less digits than its factorization.

40323142004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927331324.

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

Adding to 40323142004321 its reverse (12340024132304), we get a palindrome (52663166136625).

The spelling of 40323142004321 in words is "forty trillion, three hundred twenty-three billion, one hundred forty-two million, four thousand, three hundred twenty-one".