3554531540 has 144 divisors (see below), whose sum is σ = 8986578048. Its totient is φ = 1176650496.

The previous prime is 3554531521. The next prime is 3554531567. The reversal of 3554531540 is 451354553.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3554531540.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 6055127 + ... + 6055713.

It is an arithmetic number, because the mean of its divisors is an integer number (62406792).

Almost surely, 2^3554531540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3554531540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4493289024).

3554531540 is an abundant number, since it is smaller than the sum of its proper divisors (5432046508).

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

3554531540 is a wasteful number, since it uses less digits than its factorization.

3554531540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 3554531540 is about 59619.8921501876. The cubic root of 3554531540 is about 1526.1391170200.

The spelling of 3554531540 in words is "three billion, five hundred fifty-four million, five hundred thirty-one thousand, five hundred forty".