1013550144 has 112 divisors (see below), whose sum is σ = 2751978240. Its totient is φ = 329105920.

The previous prime is 1013550143. The next prime is 1013550151. The reversal of 1013550144 is 4410553101.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1013550143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483627 + ... + 1484309.

Almost surely, 2^1013550144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013550144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375989120).

1013550144 is an abundant number, since it is smaller than the sum of its proper divisors (1738428096).

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

1013550144 is a wasteful number, since it uses less digits than its factorization.

1013550144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1013550144 is about 31836.3022978486. The cubic root of 1013550144 is about 1004.4964661553.

The spelling of 1013550144 in words is "one billion, thirteen million, five hundred fifty thousand, one hundred forty-four".