1048842990 has 48 divisors (see below), whose sum is σ = 2936763648. Its totient is φ = 258176448.

The previous prime is 1048842989. The next prime is 1048843007. The reversal of 1048842990 is 992488401.

1048842990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1048842990² = 2200143235344280200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447054 + ... + 449393.

It is an arithmetic number, because the mean of its divisors is an integer number (61182576).

Almost surely, 2^1048842990 is an apocalyptic number.

1048842990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1048842990 is an abundant number, since it is smaller than the sum of its proper divisors (1887920658).

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

1048842990 is a wasteful number, since it uses less digits than its factorization.

1048842990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896473 (or 896470 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1048842990 is about 32385.8455193006. The cubic root of 1048842990 is about 1016.0228923841.

The spelling of 1048842990 in words is "one billion, forty-eight million, eight hundred forty-two thousand, nine hundred ninety".