1049109500 has 48 divisors (see below), whose sum is σ = 2295978048. Its totient is φ = 418779200.

The previous prime is 1049109497. The next prime is 1049109547. The reversal of 1049109500 is 59019401.

It is a super-2 number, since 2×1049109500² = 2201261485980500000, which contains 22 as substring.

It is a congruent number.

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, 276617 + ... + 280383.

It is an arithmetic number, because the mean of its divisors is an integer number (47832876).

Almost surely, 2^1049109500 is an apocalyptic number.

1049109500 is a gapful number since it is divisible by the number (10) 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 1049109500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147989024).

1049109500 is an abundant number, since it is smaller than the sum of its proper divisors (1246868548).

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

1049109500 is a wasteful number, since it uses less digits than its factorization.

1049109500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343 (or 4331 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 1049109500 is about 32389.9598641307. The cubic root of 1049109500 is about 1016.1089419111.

Subtracting from 1049109500 its reverse (59019401), we obtain a palindrome (990090099).

The spelling of 1049109500 in words is "one billion, forty-nine million, one hundred nine thousand, five hundred".