5405409438 has 32 divisors (see below), whose sum is σ = 12700824192. Its totient is φ = 1512002400.

The previous prime is 5405409397. The next prime is 5405409461. The reversal of 5405409438 is 8349045045.

It is a self number, because there is not a number n which added to its sum of digits gives 5405409438.

It is a congruent number.

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, 3149148 + ... + 3150863.

It is an arithmetic number, because the mean of its divisors is an integer number (396900756).

Almost surely, 2^5405409438 is an apocalyptic number.

5405409438 is an abundant number, since it is smaller than the sum of its proper divisors (7295414754).

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

5405409438 is a wasteful number, since it uses less digits than its factorization.

5405409438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6300040.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 5405409438 is about 73521.4896339839. The cubic root of 5405409438 is about 1754.9962730743.

The spelling of 5405409438 in words is "five billion, four hundred five million, four hundred nine thousand, four hundred thirty-eight".