5402001440000 has 270 divisors, whose sum is σ = 14810662110090. Its totient is φ = 1964357120000.

The previous prime is 5402001439873. The next prime is 5402001440009. The reversal of 5402001440000 is 441002045.

It can be written as a sum of positive squares in 5 ways, for example, as 4110123694336 + 1291877745664 = 2027344^2 + 1136608^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402001440009) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19220486 + ... + 19499514.

Almost surely, 2^{5402001440000} is an apocalyptic number.

5402001440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5402001440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7405331055045).

5402001440000 is an abundant number, since it is smaller than the sum of its proper divisors (9408660670090).

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

5402001440000 is an equidigital number, since it uses as much as digits as its factorization.

5402001440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279087 (or 279047 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 5402001440000 its reverse (441002045), we get a palindrome (5402442442045).

The spelling of 5402001440000 in words is "five trillion, four hundred two billion, one million, four hundred forty thousand".