4001453340 has 48 divisors (see below), whose sum is σ = 11565496320. Its totient is φ = 1032632640.

The previous prime is 4001453327. The next prime is 4001453347. The reversal of 4001453340 is 433541004.

It is a self number, because there is not a number n which added to its sum of digits gives 4001453340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001453347) 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, 1073800 + ... + 1077519.

It is an arithmetic number, because the mean of its divisors is an integer number (240947840).

Almost surely, 2^4001453340 is an apocalyptic number.

It is an amenable number.

4001453340 is an abundant number, since it is smaller than the sum of its proper divisors (7564042980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4001453340 is a wasteful number, since it uses less digits than its factorization.

4001453340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151362 (or 2151360 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4001453340 is about 63257.0418214447. The cubic root of 4001453340 is about 1587.5932814759.

Adding to 4001453340 its reverse (433541004), we get a palindrome (4434994344).

The spelling of 4001453340 in words is "four billion, one million, four hundred fifty-three thousand, three hundred forty".