40542245634001 has 2 divisors, whose sum is σ = 40542245634002. Its totient is φ = 40542245634000.

The previous prime is 40542245633971. The next prime is 40542245634073. The reversal of 40542245634001 is 10043654224504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39607185643776 + 935059990225 = 6293424^2 + 966985^2 .

It is a cyclic number.

It is not a de Polignac number, because 40542245634001 - 2⁷ = 40542245633873 is a prime.

It is not a weakly prime, because it can be changed into another prime (40542245634601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20271122817000 + 20271122817001.

It is an arithmetic number, because the mean of its divisors is an integer number (20271122817001).

Almost surely, 2^{40542245634001} is an apocalyptic number.

It is an amenable number.

40542245634001 is a deficient number, since it is larger than the sum of its proper divisors (1).

40542245634001 is an equidigital number, since it uses as much as digits as its factorization.

40542245634001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 40542245634001 its reverse (10043654224504), we get a palindrome (50585899858505).

The spelling of 40542245634001 in words is "forty trillion, five hundred forty-two billion, two hundred forty-five million, six hundred thirty-four thousand, one".