7201440001 has 16 divisors (see below), whose sum is σ = 8631684864. Its totient is φ = 5874289344.

The previous prime is 7201439951. The next prime is 7201440017. The reversal of 7201440001 is 1000441027.

It is not a de Polignac number, because 7201440001 - 2⁷ = 7201439873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7201440061) 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, 81810 + ... + 145243.

It is an arithmetic number, because the mean of its divisors is an integer number (539480304).

Almost surely, 2^7201440001 is an apocalyptic number.

It is an amenable number.

7201440001 is a deficient number, since it is larger than the sum of its proper divisors (1430244863).

7201440001 is a wasteful number, since it uses less digits than its factorization.

7201440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227280.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 7201440001 is about 84861.2986054303. The cubic root of 7201440001 is about 1931.1074926374.

Adding to 7201440001 its reverse (1000441027), we get a palindrome (8201881028).

The spelling of 7201440001 in words is "seven billion, two hundred one million, four hundred forty thousand, one".