3543544980 has 36 divisors (see below), whose sum is σ = 10748753652. Its totient is φ = 944945280.

The previous prime is 3543544919. The next prime is 3543544981. The reversal of 3543544980 is 894453453.

It can be written as a sum of positive squares in 2 ways, for example, as 450627984 + 3092916996 = 21228^2 + 55614^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3543544980² = 25113422050566400800, 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 (3543544981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9843001 + ... + 9843360.

Almost surely, 2^3543544980 is an apocalyptic number.

3543544980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3543544980 is an abundant number, since it is smaller than the sum of its proper divisors (7205208672).

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

3543544980 is a wasteful number, since it uses less digits than its factorization.

3543544980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19686376 (or 19686371 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 3543544980 is about 59527.6824679073. The cubic root of 3543544980 is about 1524.5651333740.

The spelling of 3543544980 in words is "three billion, five hundred forty-three million, five hundred forty-four thousand, nine hundred eighty".