1049886544 has 120 divisors (see below), whose sum is σ = 2574377640. Its totient is φ = 411844608.

The previous prime is 1049886529. The next prime is 1049886547. The reversal of 1049886544 is 4456889401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 373262400 + 676624144 = 19320^2 + 26012^2 .

It is a super-2 number, since 2×1049886544² = 2204523510544527872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049886547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492072 + ... + 494200.

It is an arithmetic number, because the mean of its divisors is an integer number (21453147).

Almost surely, 2^1049886544 is an apocalyptic number.

1049886544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049886544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287188820).

1049886544 is an abundant number, since it is smaller than the sum of its proper divisors (1524491096).

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

1049886544 is a wasteful number, since it uses less digits than its factorization.

1049886544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 1049886544 is about 32401.9527806581. The cubic root of 1049886544 is about 1016.3597471581.

The spelling of 1049886544 in words is "one billion, forty-nine million, eight hundred eighty-six thousand, five hundred forty-four".