1642027560 has 64 divisors (see below), whose sum is σ = 5095958400. Its totient is φ = 422774016.

The previous prime is 1642027553. The next prime is 1642027567. The reversal of 1642027560 is 657202461.

It is an interprime number because it is at equal distance from previous prime (1642027553) and next prime (1642027567).

It is not an unprimeable number, because it can be changed into a prime (1642027567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232444 + ... + 239403.

It is an arithmetic number, because the mean of its divisors is an integer number (79624350).

Almost surely, 2^1642027560 is an apocalyptic number.

1642027560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1642027560 is an abundant number, since it is smaller than the sum of its proper divisors (3453930840).

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

1642027560 is a wasteful number, since it uses less digits than its factorization.

1642027560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471890 (or 471886 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1642027560 is about 40521.9392428349. The cubic root of 1642027560 is about 1179.7594932605.

The spelling of 1642027560 in words is "one billion, six hundred forty-two million, twenty-seven thousand, five hundred sixty".