1050665040 has 160 divisors (see below), whose sum is σ = 3809577600. Its totient is φ = 265420800.

The previous prime is 1050665027. The next prime is 1050665071. The reversal of 1050665040 is 405660501.

It is a happy number.

1050665040 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 6 + 650 + 4 + 0 = 666.

It is a super-2 number, since 2×1050665040² = 2207794052556403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1050664995 and 1050665013.

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, 28240 + ... + 53840.

It is an arithmetic number, because the mean of its divisors is an integer number (23809860).

Almost surely, 2^1050665040 is an apocalyptic number.

1050665040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1050665040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1904788800).

1050665040 is an abundant number, since it is smaller than the sum of its proper divisors (2758912560).

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

1050665040 is a wasteful number, since it uses less digits than its factorization.

1050665040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25642 (or 25630 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1050665040 is about 32413.9636576584. The cubic root of 1050665040 is about 1016.6108969975.

The spelling of 1050665040 in words is "one billion, fifty million, six hundred sixty-five thousand, forty".