3551448640356 has 96 divisors (see below), whose sum is σ = 9505308180480. Its totient is φ = 1145852946432.

The previous prime is 3551448640339. The next prime is 3551448640403. The reversal of 3551448640356 is 6530468441553.

3551448640356 is a `hidden beast` number, since 3 + 5 + 514 + 4 + 86 + 40 + 3 + 5 + 6 = 666.

It is a super-2 number, since 2×3551448640356² (a number of 26 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531236 + ... + 3073691.

It is an arithmetic number, because the mean of its divisors is an integer number (99013626880).

Almost surely, 2^{3551448640356} is an apocalyptic number.

3551448640356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3551448640356 is an abundant number, since it is smaller than the sum of its proper divisors (5953859540124).

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

3551448640356 is a wasteful number, since it uses less digits than its factorization.

3551448640356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605170 (or 4605162 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 3551448640356 in words is "three trillion, five hundred fifty-one billion, four hundred forty-eight million, six hundred forty thousand, three hundred fifty-six".