1648840030 has 32 divisors (see below), whose sum is σ = 3151612800. Its totient is φ = 618938880.

The previous prime is 1648840027. The next prime is 1648840079. The reversal of 1648840030 is 300488461.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 45435 + ... + 73225.

It is an arithmetic number, because the mean of its divisors is an integer number (98487900).

Almost surely, 2^1648840030 is an apocalyptic number.

1648840030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1648840030 is a deficient number, since it is larger than the sum of its proper divisors (1502772770).

1648840030 is a wasteful number, since it uses less digits than its factorization.

1648840030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28164.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1648840030 is about 40605.9112691736. The cubic root of 1648840030 is about 1181.3887771035.

The spelling of 1648840030 in words is "one billion, six hundred forty-eight million, eight hundred forty thousand, thirty".