1013545053440 has 36 divisors (see below), whose sum is σ = 2427757138884. Its totient is φ = 405418020864.

The previous prime is 1013545053407. The next prime is 1013545053463. The reversal of 1013545053440 is 443505453101.

It can be written as a sum of positive squares in 2 ways, for example, as 666143262976 + 347401790464 = 816176^2 + 589408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1013545053440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395914757 + ... + 395917316.

Almost surely, 2^{1013545053440} is an apocalyptic number.

1013545053440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013545053440 is an abundant number, since it is smaller than the sum of its proper divisors (1414212085444).

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

1013545053440 is an frugal number, since it uses more digits than its factorization.

1013545053440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791832094 (or 791832080 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 1013545053440 in words is "one trillion, thirteen billion, five hundred forty-five million, fifty-three thousand, four hundred forty".