1642244352 has 72 divisors (see below), whose sum is σ = 4995176256. Its totient is φ = 469211136.

The previous prime is 1642244341. The next prime is 1642244369. The reversal of 1642244352 is 2534422461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147363 + ... + 158114.

It is an arithmetic number, because the mean of its divisors is an integer number (69377448).

Almost surely, 2^1642244352 is an apocalyptic number.

1642244352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1642244352 is an abundant number, since it is smaller than the sum of its proper divisors (3352931904).

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

1642244352 is an equidigital number, since it uses as much as digits as its factorization.

1642244352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305503 (or 305489 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 1642244352 is about 40524.6141499213. The cubic root of 1642244352 is about 1179.8114110178.

The spelling of 1642244352 in words is "one billion, six hundred forty-two million, two hundred forty-four thousand, three hundred fifty-two".