1648538030340 has 144 divisors (see below), whose sum is σ = 5224066638336. Its totient is φ = 420303398400.

The previous prime is 1648538030303. The next prime is 1648538030341. The reversal of 1648538030340 is 430308358461.

1648538030340 is a `hidden beast` number, since 1 + 6 + 48 + 538 + 0 + 30 + 3 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1648538030341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1316601 + ... + 2242880.

It is an arithmetic number, because the mean of its divisors is an integer number (36278240544).

Almost surely, 2^{1648538030340} is an apocalyptic number.

1648538030340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648538030340 is an abundant number, since it is smaller than the sum of its proper divisors (3575528607996).

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

1648538030340 is a wasteful number, since it uses less digits than its factorization.

1648538030340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559610 (or 3559605 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 1648538030340 in words is "one trillion, six hundred forty-eight billion, five hundred thirty-eight million, thirty thousand, three hundred forty".