1049815992 has 32 divisors (see below), whose sum is σ = 2709204480. Its totient is φ = 338650080.

The previous prime is 1049815957. The next prime is 1049816051. The reversal of 1049815992 is 2995189401.

It is a super-2 number, since 2×1049815992² = 2204227234117888128, 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 7 ways as a sum of consecutive naturals, for example, 704778 + ... + 706265.

It is an arithmetic number, because the mean of its divisors is an integer number (84662640).

Almost surely, 2^1049815992 is an apocalyptic number.

1049815992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1049815992 is an abundant number, since it is smaller than the sum of its proper divisors (1659388488).

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

1049815992 is a wasteful number, since it uses less digits than its factorization.

1049815992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411083 (or 1411079 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 48.

The square root of 1049815992 is about 32400.8640625524. The cubic root of 1049815992 is about 1016.3369803110.

The spelling of 1049815992 in words is "one billion, forty-nine million, eight hundred fifteen thousand, nine hundred ninety-two".