1716428880 has 100 divisors (see below), whose sum is σ = 5961434292. Its totient is φ = 457712640.

The previous prime is 1716428873. The next prime is 1716428881. The reversal of 1716428880 is 888246171.

It can be written as a sum of positive squares in 2 ways, for example, as 814988304 + 901440576 = 28548^2 + 30024^2 .

It is a super-2 number, since 2×1716428880² = 5892256200196108800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716428881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 125961 + ... + 138920.

Almost surely, 2^1716428880 is an apocalyptic number.

1716428880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1716428880 is an abundant number, since it is smaller than the sum of its proper divisors (4245005412).

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

1716428880 is a wasteful number, since it uses less digits than its factorization.

1716428880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264906 (or 264891 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 1716428880 is about 41429.8066613881. The cubic root of 1716428880 is about 1197.3154990237.

The spelling of 1716428880 in words is "one billion, seven hundred sixteen million, four hundred twenty-eight thousand, eight hundred eighty".