1401544504450 has 12 divisors (see below), whose sum is σ = 2606872778370. Its totient is φ = 560617801760.

The previous prime is 1401544504421. The next prime is 1401544504489. The reversal of 1401544504450 is 544054451041.

It can be written as a sum of positive squares in 3 ways, for example, as 704134122129 + 697410382321 = 839127^2 + 835111^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14015444995 + ... + 14015445094.

Almost surely, 2^{1401544504450} is an apocalyptic number.

1401544504450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401544504450 is a deficient number, since it is larger than the sum of its proper divisors (1205328273920).

1401544504450 is a wasteful number, since it uses less digits than its factorization.

1401544504450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030890101 (or 28030890096 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 1401544504450 its reverse (544054451041), we get a palindrome (1945598955491).

The spelling of 1401544504450 in words is "one trillion, four hundred one billion, five hundred forty-four million, five hundred four thousand, four hundred fifty".