5400378605 has 8 divisors (see below), whose sum is σ = 6481427064. Its totient is φ = 4319654400.

The previous prime is 5400378601. The next prime is 5400378629. The reversal of 5400378605 is 5068730045.

It can be written as a sum of positive squares in 4 ways, for example, as 1764168004 + 3636210601 = 42002^2 + 60301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5400378605 - 2² = 5400378601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400378601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42776 + ... + 112385.

It is an arithmetic number, because the mean of its divisors is an integer number (810178383).

Almost surely, 2^5400378605 is an apocalyptic number.

It is an amenable number.

5400378605 is a deficient number, since it is larger than the sum of its proper divisors (1081048459).

5400378605 is a wasteful number, since it uses less digits than its factorization.

5400378605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162127.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 5400378605 is about 73487.2683190769. The cubic root of 5400378605 is about 1754.4516437375.

The spelling of 5400378605 in words is "five billion, four hundred million, three hundred seventy-eight thousand, six hundred five".