1050891840 has 112 divisors (see below), whose sum is σ = 3707343360. Its totient is φ = 280235520.

The previous prime is 1050891823. The next prime is 1050891883. The reversal of 1050891840 is 481980501.

It is a super-3 number, since 3×1050891840³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1050891795 and 1050891804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52176 + ... + 69455.

It is an arithmetic number, because the mean of its divisors is an integer number (33101280).

Almost surely, 2^1050891840 is an apocalyptic number.

1050891840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050891840 is an abundant number, since it is smaller than the sum of its proper divisors (2656451520).

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

1050891840 is a wasteful number, since it uses less digits than its factorization.

1050891840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121657 (or 121641 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1050891840 is about 32417.4619611098. The cubic root of 1050891840 is about 1016.6840413884.

It can be divided in two parts, 105089 and 1840, that added together give a square (106929 = 327²).

The spelling of 1050891840 in words is "one billion, fifty million, eight hundred ninety-one thousand, eight hundred forty".