1351104202440 has 96 divisors (see below), whose sum is σ = 4401519291000. Its totient is φ = 359438607360.

The previous prime is 1351104202403. The next prime is 1351104202451. The reversal of 1351104202440 is 442024011531.

1351104202440 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 10 + 4 + 202 + 440 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 996047912484 + 355056289956 = 998022^2 + 595866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4305765 + ... + 4608884.

Almost surely, 2^{1351104202440} is an apocalyptic number.

1351104202440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351104202440 is an abundant number, since it is smaller than the sum of its proper divisors (3050415088560).

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

1351104202440 is a wasteful number, since it uses less digits than its factorization.

1351104202440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915087 (or 8915080 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1351104202440 its reverse (442024011531), we get a palindrome (1793128213971).

The spelling of 1351104202440 in words is "one trillion, three hundred fifty-one billion, one hundred four million, two hundred two thousand, four hundred forty".