1648288582040 has 64 divisors (see below), whose sum is σ = 3767556382560. Its totient is φ = 648861649920.

The previous prime is 1648288582021. The next prime is 1648288582067. The reversal of 1648288582040 is 402858828461.

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, 2553644 + ... + 3133316.

Almost surely, 2^{1648288582040} is an apocalyptic number.

1648288582040 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 1648288582040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1883778191280).

1648288582040 is an abundant number, since it is smaller than the sum of its proper divisors (2119267800520).

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

1648288582040 is a wasteful number, since it uses less digits than its factorization.

1648288582040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580812 (or 580808 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 56.

The spelling of 1648288582040 in words is "one trillion, six hundred forty-eight billion, two hundred eighty-eight million, five hundred eighty-two thousand, forty".