1802827680 has 48 divisors (see below), whose sum is σ = 5678908704. Its totient is φ = 480753920.

The previous prime is 1802827657. The next prime is 1802827681. The reversal of 1802827680 is 867282081.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1802827681) 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, 1877466 + ... + 1878425.

It is an arithmetic number, because the mean of its divisors is an integer number (118310598).

Almost surely, 2^1802827680 is an apocalyptic number.

1802827680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1802827680 is an abundant number, since it is smaller than the sum of its proper divisors (3876081024).

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

1802827680 is a wasteful number, since it uses less digits than its factorization.

1802827680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755909 (or 3755901 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 1802827680 is about 42459.7183221933. The cubic root of 1802827680 is about 1217.0770481103.

The spelling of 1802827680 in words is "one billion, eight hundred two million, eight hundred twenty-seven thousand, six hundred eighty".