1049709750 has 128 divisors (see below), whose sum is σ = 2712213504. Its totient is φ = 270259200.

The previous prime is 1049709743. The next prime is 1049709751. The reversal of 1049709750 is 579079401.

It is a happy number.

It is a super-2 number, since 2×1049709750² = 2203781118490125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049709751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3419097 + ... + 3419403.

It is an arithmetic number, because the mean of its divisors is an integer number (21189168).

Almost surely, 2^1049709750 is an apocalyptic number.

1049709750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049709750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356106752).

1049709750 is an abundant number, since it is smaller than the sum of its proper divisors (1662503754).

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

1049709750 is a wasteful number, since it uses less digits than its factorization.

1049709750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 1049709750 is about 32399.2245277568. The cubic root of 1049709750 is about 1016.3026945197.

The spelling of 1049709750 in words is "one billion, forty-nine million, seven hundred nine thousand, seven hundred fifty".