1049015800 has 48 divisors (see below), whose sum is σ = 2787388560. Its totient is φ = 359662080.

The previous prime is 1049015777. The next prime is 1049015827. The reversal of 1049015800 is 85109401.

It is a happy number.

It is a super-2 number, since 2×1049015800² = 2200868297299280000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373249 + ... + 376048.

It is an arithmetic number, because the mean of its divisors is an integer number (58070595).

Almost surely, 2^1049015800 is an apocalyptic number.

1049015800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049015800 is an abundant number, since it is smaller than the sum of its proper divisors (1738372760).

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

1049015800 is a wasteful number, since it uses less digits than its factorization.

1049015800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749320 (or 749311 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1049015800 is about 32388.5133959557. The cubic root of 1049015800 is about 1016.0786901459.

The spelling of 1049015800 in words is "one billion, forty-nine million, fifteen thousand, eight hundred".