3551642980 has 48 divisors (see below), whose sum is σ = 7791396480. Its totient is φ = 1357376768.

The previous prime is 3551642977. The next prime is 3551642981. The reversal of 3551642980 is 892461553.

3551642980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3551642980² = 25228335714766560800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551642981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464952 + ... + 472528.

It is an arithmetic number, because the mean of its divisors is an integer number (162320760).

Almost surely, 2^3551642980 is an apocalyptic number.

It is an amenable number.

3551642980 is an abundant number, since it is smaller than the sum of its proper divisors (4239753500).

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

3551642980 is a wasteful number, since it uses less digits than its factorization.

3551642980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628 (or 8626 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 3551642980 is about 59595.6624260525. The cubic root of 3551642980 is about 1525.7256036374.

The spelling of 3551642980 in words is "three billion, five hundred fifty-one million, six hundred forty-two thousand, nine hundred eighty".