5401642320 has 120 divisors (see below), whose sum is σ = 18526599936. Its totient is φ = 1409781504.

The previous prime is 5401642289. The next prime is 5401642331. The reversal of 5401642320 is 232461045.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45972 + ... + 113651.

Almost surely, 2^5401642320 is an apocalyptic number.

It is an amenable number.

5401642320 is an abundant number, since it is smaller than the sum of its proper divisors (13124957616).

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

5401642320 is a wasteful number, since it uses less digits than its factorization.

5401642320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159689 (or 159680 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 5401642320 is about 73495.8660061911. The cubic root of 5401642320 is about 1754.5884831522.

The spelling of 5401642320 in words is "five billion, four hundred one million, six hundred forty-two thousand, three hundred twenty".