3555858240 has 336 divisors, whose sum is σ = 13480084800. Its totient is φ = 853155840.

The previous prime is 3555858239. The next prime is 3555858247. The reversal of 3555858240 is 428585553.

3555858240 is a `hidden beast` number, since 3 + 5 + 558 + 58 + 2 + 40 = 666.

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 (3555858247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3389236 + ... + 3390284.

It is an arithmetic number, because the mean of its divisors is an integer number (40119300).

Almost surely, 2^3555858240 is an apocalyptic number.

3555858240 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 3555858240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6740042400).

3555858240 is an abundant number, since it is smaller than the sum of its proper divisors (9924226560).

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

3555858240 is a wasteful number, since it uses less digits than its factorization.

3555858240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The square root of 3555858240 is about 59631.0174322055. The cubic root of 3555858240 is about 1526.3289664081.

The spelling of 3555858240 in words is "three billion, five hundred fifty-five million, eight hundred fifty-eight thousand, two hundred forty".