5442691464 has 144 divisors (see below), whose sum is σ = 17738873100. Its totient is φ = 1501403904.

The previous prime is 5442691439. The next prime is 5442691537. The reversal of 5442691464 is 4641962445.

5442691464 is a `hidden beast` number, since 5 + 442 + 69 + 146 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5371424100 + 71267364 = 73290^2 + 8442^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75714 + ... + 128910.

Almost surely, 2^5442691464 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 5442691464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8869436550).

5442691464 is an abundant number, since it is smaller than the sum of its proper divisors (12296181636).

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

5442691464 is a wasteful number, since it uses less digits than its factorization.

5442691464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53252 (or 53238 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 5442691464 is about 73774.5990433022. The cubic root of 5442691464 is about 1759.0218678262.

The spelling of 5442691464 in words is "five billion, four hundred forty-two million, six hundred ninety-one thousand, four hundred sixty-four".