3551453618340 has 96 divisors (see below), whose sum is σ = 9955874428416. Its totient is φ = 945930585600.

The previous prime is 3551453618311. The next prime is 3551453618369. The reversal of 3551453618340 is 438163541553.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3551453618311) and next prime (3551453618369).

It is a super-2 number, since 2×3551453618340² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3551453618340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468958794 + ... + 468966366.

It is an arithmetic number, because the mean of its divisors is an integer number (103707025296).

Almost surely, 2^{3551453618340} is an apocalyptic number.

3551453618340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3551453618340 is an abundant number, since it is smaller than the sum of its proper divisors (6404420810076).

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

3551453618340 is a wasteful number, since it uses less digits than its factorization.

3551453618340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829 (or 15827 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 3551453618340 in words is "three trillion, five hundred fifty-one billion, four hundred fifty-three million, six hundred eighteen thousand, three hundred forty".