5421400080 has 80 divisors (see below), whose sum is σ = 16833952320. Its totient is φ = 1443331584.

The previous prime is 5421400069. The next prime is 5421400091. The reversal of 5421400080 is 800041245.

It is an interprime number because it is at equal distance from previous prime (5421400069) and next prime (5421400091).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5421400080.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130314 + ... + 166806.

It is an arithmetic number, because the mean of its divisors is an integer number (210424404).

Almost surely, 2^5421400080 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 5421400080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8416976160).

5421400080 is an abundant number, since it is smaller than the sum of its proper divisors (11412552240).

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

5421400080 is a wasteful number, since it uses less digits than its factorization.

5421400080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37128 (or 37122 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 5421400080 is about 73630.1574084967. The cubic root of 5421400080 is about 1756.7251516298.

The spelling of 5421400080 in words is "five billion, four hundred twenty-one million, four hundred thousand, eighty".