1648534242 has 16 divisors (see below), whose sum is σ = 3299268672. Its totient is φ = 549144720.

The previous prime is 1648534219. The next prime is 1648534247. The reversal of 1648534242 is 2424358461.

It is a self number, because there is not a number n which added to its sum of digits gives 1648534242.

It is not an unprimeable number, because it can be changed into a prime (1648534247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81853 + ... + 99984.

It is an arithmetic number, because the mean of its divisors is an integer number (206204292).

Almost surely, 2^1648534242 is an apocalyptic number.

1648534242 is an abundant number, since it is smaller than the sum of its proper divisors (1650734430).

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

1648534242 is a wasteful number, since it uses less digits than its factorization.

1648534242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183353.

The product of its digits is 184320, while the sum is 39.

The square root of 1648534242 is about 40602.1457807343. The cubic root of 1648534242 is about 1181.3157405365.

The spelling of 1648534242 in words is "one billion, six hundred forty-eight million, five hundred thirty-four thousand, two hundred forty-two".