3554899920 has 640 divisors, whose sum is σ = 15254023680. Its totient is φ = 747601920.

The previous prime is 3554899889. The next prime is 3554899927. The reversal of 3554899920 is 299984553.

It is a happy number.

3554899920 is a `hidden beast` number, since 3 + 5 + 548 + 9 + 9 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554899927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5250622 + ... + 5251298.

It is an arithmetic number, because the mean of its divisors is an integer number (23834412).

Almost surely, 2^3554899920 is an apocalyptic number.

3554899920 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 3554899920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7627011840).

3554899920 is an abundant number, since it is smaller than the sum of its proper divisors (11699123760).

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

3554899920 is a wasteful number, since it uses less digits than its factorization.

3554899920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The square root of 3554899920 is about 59622.9814752667. The cubic root of 3554899920 is about 1526.1918365510.

The spelling of 3554899920 in words is "three billion, five hundred fifty-four million, eight hundred ninety-nine thousand, nine hundred twenty".