5420400505 has 32 divisors (see below), whose sum is σ = 7189459200. Its totient is φ = 3898513152.

The previous prime is 5420400457. The next prime is 5420400511. The reversal of 5420400505 is 5050040245.

It is a cyclic number.

It is not a de Polignac number, because 5420400505 - 2⁹ = 5420399993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5420400505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411532 + ... + 424498.

It is an arithmetic number, because the mean of its divisors is an integer number (224670600).

Almost surely, 2^5420400505 is an apocalyptic number.

It is an amenable number.

5420400505 is a deficient number, since it is larger than the sum of its proper divisors (1769058695).

5420400505 is a wasteful number, since it uses less digits than its factorization.

5420400505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 5420400505 is about 73623.3692858456. The cubic root of 5420400505 is about 1756.6171791228.

The spelling of 5420400505 in words is "five billion, four hundred twenty million, four hundred thousand, five hundred five".