10440140452 has 48 divisors (see below), whose sum is σ = 21887091072. Its totient is φ = 4263678720.

The previous prime is 10440140443. The next prime is 10440140497. The reversal of 10440140452 is 25404104401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56383 + ... + 155110.

It is an arithmetic number, because the mean of its divisors is an integer number (455981064).

Almost surely, 2^10440140452 is an apocalyptic number.

It is an amenable number.

10440140452 is an abundant number, since it is smaller than the sum of its proper divisors (11446950620).

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

10440140452 is a wasteful number, since it uses less digits than its factorization.

10440140452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211588 (or 211586 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 10440140452 its reverse (25404104401), we get a palindrome (35844244853).

The spelling of 10440140452 in words is "ten billion, four hundred forty million, one hundred forty thousand, four hundred fifty-two".