3556867500 has 270 divisors, whose sum is σ = 11956700756. Its totient is φ = 891072000.

The previous prime is 3556867477. The next prime is 3556867519. The reversal of 3556867500 is 57686553.

3556867500 is a `hidden beast` number, since 35 + 56 + 8 + 67 + 500 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 6502227 + ... + 6502773.

Almost surely, 2^3556867500 is an apocalyptic number.

3556867500 is a gapful number since it is divisible by the number (30) 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 3556867500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5978350378).

3556867500 is an abundant number, since it is smaller than the sum of its proper divisors (8399833256).

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

3556867500 is a wasteful number, since it uses less digits than its factorization.

3556867500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 3556867500 is about 59639.4793739851. The cubic root of 3556867500 is about 1526.4733588397.

The spelling of 3556867500 in words is "three billion, five hundred fifty-six million, eight hundred sixty-seven thousand, five hundred".