2720524401 has 40 divisors (see below), whose sum is σ = 4659990720. Its totient is φ = 1549422432.

The previous prime is 2720524393. The next prime is 2720524409. The reversal of 2720524401 is 1044250272.

It is an interprime number because it is at equal distance from previous prime (2720524393) and next prime (2720524409).

It is not a de Polignac number, because 2720524401 - 2³ = 2720524393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2720524409) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 166255 + ... + 181883.

It is an arithmetic number, because the mean of its divisors is an integer number (116499768).

Almost surely, 2^2720524401 is an apocalyptic number.

2720524401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2720524401 is a deficient number, since it is larger than the sum of its proper divisors (1939466319).

2720524401 is a wasteful number, since it uses less digits than its factorization.

2720524401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15955 (or 15946 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2720524401 is about 52158.6464644166. The cubic root of 2720524401 is about 1395.9961113033.

Adding to 2720524401 its reverse (1044250272), we get a palindrome (3764774673).

The spelling of 2720524401 in words is "two billion, seven hundred twenty million, five hundred twenty-four thousand, four hundred one".