40464121152001 has 4 divisors (see below), whose sum is σ = 40469944172500. Its totient is φ = 40458298131504.

The previous prime is 40464121151999. The next prime is 40464121152011. The reversal of 40464121152001 is 10025112146404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33304210160400 + 7159910991601 = 5770980^2 + 2675801^2 .

It is a cyclic number.

It is not a de Polignac number, because 40464121152001 - 2¹ = 40464121151999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40464121152011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911499826 + ... + 2911513723.

It is an arithmetic number, because the mean of its divisors is an integer number (10117486043125).

Almost surely, 2^{40464121152001} is an apocalyptic number.

It is an amenable number.

40464121152001 is a deficient number, since it is larger than the sum of its proper divisors (5823020499).

40464121152001 is an equidigital number, since it uses as much as digits as its factorization.

40464121152001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823020498.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 40464121152001 its reverse (10025112146404), we get a palindrome (50489233298405).

The spelling of 40464121152001 in words is "forty trillion, four hundred sixty-four billion, one hundred twenty-one million, one hundred fifty-two thousand, one".