1049019790 has 64 divisors (see below), whose sum is σ = 2373525504. Its totient is φ = 324920448.

The previous prime is 1049019779. The next prime is 1049019821. The reversal of 1049019790 is 979109401.

It is a happy number.

It is a super-2 number, since 2×1049019790² = 2200885039623288200, 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 31 ways as a sum of consecutive naturals, for example, 30507 + ... + 55033.

It is an arithmetic number, because the mean of its divisors is an integer number (37086336).

Almost surely, 2^1049019790 is an apocalyptic number.

1049019790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1049019790 is an abundant number, since it is smaller than the sum of its proper divisors (1324505714).

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

1049019790 is a wasteful number, since it uses less digits than its factorization.

1049019790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24601.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 1049019790 is about 32388.5749918085. The cubic root of 1049019790 is about 1016.0799783848.

The spelling of 1049019790 in words is "one billion, forty-nine million, nineteen thousand, seven hundred ninety".