40244554001 has 4 divisors (see below), whose sum is σ = 40253976612. Its totient is φ = 40235131392.

The previous prime is 40244553997. The next prime is 40244554003. The reversal of 40244554001 is 10045544204.

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 9409194001 + 30835360000 = 97001^2 + 175600^2 .

It is a cyclic number.

It is not a de Polignac number, because 40244554001 - 2² = 40244553997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40244554003) 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, 4704896 + ... + 4713441.

It is an arithmetic number, because the mean of its divisors is an integer number (10063494153).

Almost surely, 2^40244554001 is an apocalyptic number.

It is an amenable number.

40244554001 is a deficient number, since it is larger than the sum of its proper divisors (9422611).

40244554001 is an equidigital number, since it uses as much as digits as its factorization.

40244554001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422610.

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 40244554001 in words is "forty billion, two hundred forty-four million, five hundred fifty-four thousand, one".