1648260140 has 12 divisors (see below), whose sum is σ = 3461346336. Its totient is φ = 659304048.

The previous prime is 1648260139. The next prime is 1648260157. The reversal of 1648260140 is 410628461.

It is a super-2 number, since 2×1648260140² = 5433522978225639200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1648260097 and 1648260106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41206484 + ... + 41206523.

It is an arithmetic number, because the mean of its divisors is an integer number (288445528).

Almost surely, 2^1648260140 is an apocalyptic number.

1648260140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648260140 is an abundant number, since it is smaller than the sum of its proper divisors (1813086196).

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

1648260140 is a wasteful number, since it uses less digits than its factorization.

1648260140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82413016 (or 82413014 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1648260140 is about 40598.7701784180. The cubic root of 1648260140 is about 1181.2502644009.

The spelling of 1648260140 in words is "one billion, six hundred forty-eight million, two hundred sixty thousand, one hundred forty".