40641122401 has 4 divisors (see below), whose sum is σ = 44335769904. Its totient is φ = 36946474900.

The previous prime is 40641122387. The next prime is 40641122407. The reversal of 40641122401 is 10422114604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40641122401 - 2⁷ = 40641122273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40641122407) 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, 1847323735 + ... + 1847323756.

It is an arithmetic number, because the mean of its divisors is an integer number (11083942476).

Almost surely, 2^40641122401 is an apocalyptic number.

It is an amenable number.

40641122401 is a deficient number, since it is larger than the sum of its proper divisors (3694647503).

40641122401 is a wasteful number, since it uses less digits than its factorization.

40641122401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694647502.

The product of its (nonzero) digits is 1536, while the sum is 25.

The spelling of 40641122401 in words is "forty billion, six hundred forty-one million, one hundred twenty-two thousand, four hundred one".