5401612320 has 96 divisors (see below), whose sum is σ = 18323952192. Its totient is φ = 1329626112.

The previous prime is 5401612319. The next prime is 5401612331. The reversal of 5401612320 is 232161045.

It is a tau number, because it is divible by the number of its divisors (96).

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

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 15 ways as a sum of consecutive naturals, for example, 426582 + ... + 439061.

It is an arithmetic number, because the mean of its divisors is an integer number (190874502).

Almost surely, 2^5401612320 is an apocalyptic number.

It is an amenable number.

5401612320 is an abundant number, since it is smaller than the sum of its proper divisors (12922339872).

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

5401612320 is a wasteful number, since it uses less digits than its factorization.

5401612320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865674 (or 865666 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 5401612320 is about 73495.6619127959. The cubic root of 5401612320 is about 1754.5852348961.

Adding to 5401612320 its reverse (232161045), we get a palindrome (5633773365).

The spelling of 5401612320 in words is "five billion, four hundred one million, six hundred twelve thousand, three hundred twenty".