5445461340 has 144 divisors (see below), whose sum is σ = 18043683840. Its totient is φ = 1318343040.

The previous prime is 5445461293. The next prime is 5445461363. The reversal of 5445461340 is 431645445.

5445461340 is a `hidden beast` number, since 544 + 54 + 61 + 3 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5445461295 and 5445461304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2055897 + ... + 2058543.

It is an arithmetic number, because the mean of its divisors is an integer number (125303360).

Almost surely, 2^5445461340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5445461340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9021841920).

5445461340 is an abundant number, since it is smaller than the sum of its proper divisors (12598222500).

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

5445461340 is a wasteful number, since it uses less digits than its factorization.

5445461340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 5445461340 is about 73793.3692143136. The cubic root of 5445461340 is about 1759.3202156929.

The spelling of 5445461340 in words is "five billion, four hundred forty-five million, four hundred sixty-one thousand, three hundred forty".