1648715124340 has 12 divisors (see below), whose sum is σ = 3462301761156. Its totient is φ = 659486049728.

The previous prime is 1648715124317. The next prime is 1648715124377. The reversal of 1648715124340 is 434215178461.

It can be written as a sum of positive squares in 2 ways, for example, as 652208068836 + 996507055504 = 807594^2 + 998252^2 .

It is a super-3 number, since 3×1648715124340³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 41217878089 + ... + 41217878128.

It is an arithmetic number, because the mean of its divisors is an integer number (288525146763).

Almost surely, 2^{1648715124340} is an apocalyptic number.

1648715124340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648715124340 is an abundant number, since it is smaller than the sum of its proper divisors (1813586636816).

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

1648715124340 is a wasteful number, since it uses less digits than its factorization.

1648715124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82435756226 (or 82435756224 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 1648715124340 in words is "one trillion, six hundred forty-eight billion, seven hundred fifteen million, one hundred twenty-four thousand, three hundred forty".