5445897912 has 288 divisors, whose sum is σ = 19331563680. Its totient is φ = 1351434240.

The previous prime is 5445897911. The next prime is 5445897913. The reversal of 5445897912 is 2197985445.

It is a happy number.

5445897912 is a `hidden beast` number, since 5 + 44 + 589 + 7 + 9 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (5445897911) and next prime (5445897913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445897911) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1446112 + ... + 1449872.

It is an arithmetic number, because the mean of its divisors is an integer number (67123485).

Almost surely, 2^5445897912 is an apocalyptic number.

5445897912 is a gapful number since it is divisible by the number (52) 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 5445897912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9665781840).

5445897912 is an abundant number, since it is smaller than the sum of its proper divisors (13885665768).

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

5445897912 is a wasteful number, since it uses less digits than its factorization.

5445897912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823 (or 3803 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 5445897912 is about 73796.3272256824. The cubic root of 5445897912 is about 1759.3672303455.

The spelling of 5445897912 in words is "five billion, four hundred forty-five million, eight hundred ninety-seven thousand, nine hundred twelve".