1451503441240 has 128 divisors (see below), whose sum is σ = 3487536000000. Its totient is φ = 542087078400.

The previous prime is 1451503441217. The next prime is 1451503441331. The reversal of 1451503441240 is 421443051541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1451503441196 and 1451503441205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269743350 + ... + 269748730.

It is an arithmetic number, because the mean of its divisors is an integer number (27246375000).

Almost surely, 2^{1451503441240} is an apocalyptic number.

1451503441240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451503441240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743768000000).

1451503441240 is an abundant number, since it is smaller than the sum of its proper divisors (2036032558760).

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

1451503441240 is a wasteful number, since it uses less digits than its factorization.

1451503441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481 (or 10477 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1451503441240 its reverse (421443051541), we get a palindrome (1872946492781).

The spelling of 1451503441240 in words is "one trillion, four hundred fifty-one billion, five hundred three million, four hundred forty-one thousand, two hundred forty".