5401021312 has 64 divisors (see below), whose sum is σ = 11409161040. Its totient is φ = 2538004480.

The previous prime is 5401021291. The next prime is 5401021319. The reversal of 5401021312 is 2131201045.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 5401021312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401021319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059362 + ... + 2061982.

Almost surely, 2^5401021312 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 5401021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5704580520).

5401021312 is an abundant number, since it is smaller than the sum of its proper divisors (6008139728).

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

5401021312 is a wasteful number, since it uses less digits than its factorization.

5401021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5401021312 is about 73491.6411029173. The cubic root of 5401021312 is about 1754.5212409334.

Adding to 5401021312 its reverse (2131201045), we get a palindrome (7532222357).

The spelling of 5401021312 in words is "five billion, four hundred one million, twenty-one thousand, three hundred twelve".