5491481513400 has 768 divisors, whose sum is σ = 20200107110400. Its totient is φ = 1368024514560.

The previous prime is 5491481513383. The next prime is 5491481513443. The reversal of 5491481513400 is 43151841945.

5491481513400 is a `hidden beast` number, since 5 + 4 + 9 + 14 + 81 + 513 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4512309592 + ... + 4512310808.

It is an arithmetic number, because the mean of its divisors is an integer number (26302222800).

Almost surely, 2^{5491481513400} is an apocalyptic number.

5491481513400 is a gapful number since it is divisible by the number (50) 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 5491481513400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10100053555200).

5491481513400 is an abundant number, since it is smaller than the sum of its proper divisors (14708625597000).

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

5491481513400 is a wasteful number, since it uses less digits than its factorization.

5491481513400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 5491481513400 in words is "five trillion, four hundred ninety-one billion, four hundred eighty-one million, five hundred thirteen thousand, four hundred".