1642370080 has 96 divisors (see below), whose sum is σ = 4313530368. Its totient is φ = 586828800.

The previous prime is 1642370077. The next prime is 1642370099. The reversal of 1642370080 is 800732461.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 15 ways as a sum of consecutive naturals, for example, 51745 + ... + 77215.

It is an arithmetic number, because the mean of its divisors is an integer number (44932608).

Almost surely, 2^1642370080 is an apocalyptic number.

1642370080 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 1642370080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156765184).

1642370080 is an abundant number, since it is smaller than the sum of its proper divisors (2671160288).

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

1642370080 is a wasteful number, since it uses less digits than its factorization.

1642370080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530 (or 25522 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1642370080 is about 40526.1653749772. The cubic root of 1642370080 is about 1179.8415185033.

The spelling of 1642370080 in words is "one billion, six hundred forty-two million, three hundred seventy thousand, eighty".