5405622420 has 96 divisors (see below), whose sum is σ = 16535554560. Its totient is φ = 1308562560.

The previous prime is 5405622401. The next prime is 5405622437. The reversal of 5405622420 is 242265045.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482199 + ... + 493281.

It is an arithmetic number, because the mean of its divisors is an integer number (172245360).

Almost surely, 2^5405622420 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 5405622420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8267777280).

5405622420 is an abundant number, since it is smaller than the sum of its proper divisors (11129932140).

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

5405622420 is a wasteful number, since it uses less digits than its factorization.

5405622420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845 (or 11843 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 5405622420 is about 73522.9380533722. The cubic root of 5405622420 is about 1755.0193226824.

Adding to 5405622420 its reverse (242265045), we get a palindrome (5647887465).

The spelling of 5405622420 in words is "five billion, four hundred five million, six hundred twenty-two thousand, four hundred twenty".