1345533253440 has 112 divisors (see below), whose sum is σ = 4278734729280. Its totient is φ = 358248939520.

The previous prime is 1345533253373. The next prime is 1345533253451. The reversal of 1345533253440 is 443523355431.

It is a super-2 number, since 2×1345533253440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345533253392 and 1345533253401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477930 + ... + 1708649.

Almost surely, 2^{1345533253440} is an apocalyptic number.

1345533253440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345533253440 is an abundant number, since it is smaller than the sum of its proper divisors (2933201475840).

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

1345533253440 is a wasteful number, since it uses less digits than its factorization.

1345533253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187240 (or 2187230 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 1345533253440 in words is "one trillion, three hundred forty-five billion, five hundred thirty-three million, two hundred fifty-three thousand, four hundred forty".