1303400054040 has 128 divisors (see below), whose sum is σ = 4531741240320. Its totient is φ = 293723942400.

The previous prime is 1303400054027. The next prime is 1303400054083. The reversal of 1303400054040 is 404500043031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1303400054040.

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, 10867591 + ... + 10986870.

It is an arithmetic number, because the mean of its divisors is an integer number (35404228440).

Almost surely, 2^{1303400054040} is an apocalyptic number.

1303400054040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303400054040 is an abundant number, since it is smaller than the sum of its proper divisors (3228341186280).

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

1303400054040 is a wasteful number, since it uses less digits than its factorization.

1303400054040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21854553 (or 21854549 counting only the distinct ones).

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

Adding to 1303400054040 its reverse (404500043031), we get a palindrome (1707900097071).

The spelling of 1303400054040 in words is "one trillion, three hundred three billion, four hundred million, fifty-four thousand, forty".