1401440012450 has 24 divisors (see below), whose sum is σ = 2650859418960. Its totient is φ = 551074715600.

The previous prime is 1401440012443. The next prime is 1401440012473. The reversal of 1401440012450 is 542100441041.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237529256 + ... + 237535155.

It is an arithmetic number, because the mean of its divisors is an integer number (110452475790).

Almost surely, 2^{1401440012450} is an apocalyptic number.

1401440012450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401440012450 is a deficient number, since it is larger than the sum of its proper divisors (1249419406510).

1401440012450 is a wasteful number, since it uses less digits than its factorization.

1401440012450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475064482 (or 475064477 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1401440012450 its reverse (542100441041), we get a palindrome (1943540453491).

The spelling of 1401440012450 in words is "one trillion, four hundred one billion, four hundred forty million, twelve thousand, four hundred fifty".