1052403013644 has 48 divisors (see below), whose sum is σ = 2467717966560. Its totient is φ = 349073141760.

The previous prime is 1052403013637. The next prime is 1052403013679. The reversal of 1052403013644 is 4463103042501.

It is a happy number.

It is a super-2 number, since 2×1052403013644² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586632 + ... + 3868944.

It is an arithmetic number, because the mean of its divisors is an integer number (51410790970).

Almost surely, 2^{1052403013644} is an apocalyptic number.

It is an amenable number.

1052403013644 is an abundant number, since it is smaller than the sum of its proper divisors (1415314952916).

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

1052403013644 is a wasteful number, since it uses less digits than its factorization.

1052403013644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283850 (or 283848 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 1052403013644 in words is "one trillion, fifty-two billion, four hundred three million, thirteen thousand, six hundred forty-four".