5432667840 has 112 divisors (see below), whose sum is σ = 19165275360. Its totient is φ = 1448709120.

The previous prime is 5432667839. The next prime is 5432667871. The reversal of 5432667840 is 487662345.

5432667840 is a `hidden beast` number, since 543 + 2 + 6 + 67 + 8 + 40 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305751 + ... + 323030.

It is an arithmetic number, because the mean of its divisors is an integer number (171118530).

Almost surely, 2^5432667840 is an apocalyptic number.

It is an amenable number.

5432667840 is an abundant number, since it is smaller than the sum of its proper divisors (13732607520).

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

5432667840 is a wasteful number, since it uses less digits than its factorization.

5432667840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628807 (or 628791 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 5432667840 is about 73706.6336227615. The cubic root of 5432667840 is about 1757.9413602032.

The spelling of 5432667840 in words is "five billion, four hundred thirty-two million, six hundred sixty-seven thousand, eight hundred forty".