3449147420400 has 480 divisors, whose sum is σ = 12231234793728. Its totient is φ = 823831142400.

The previous prime is 3449147420353. The next prime is 3449147420417. The reversal of 3449147420400 is 40247419443.

It is a super-3 number, since 3×3449147420400³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1808676247 + ... + 1808678153.

Almost surely, 2^{3449147420400} is an apocalyptic number.

3449147420400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3449147420400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6115617396864).

3449147420400 is an abundant number, since it is smaller than the sum of its proper divisors (8782087373328).

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

3449147420400 is a wasteful number, since it uses less digits than its factorization.

3449147420400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 3449147420400 in words is "three trillion, four hundred forty-nine billion, one hundred forty-seven million, four hundred twenty thousand, four hundred".