5420211311640 has 128 divisors (see below), whose sum is σ = 17132067648000. Its totient is φ = 1368067673088.

The previous prime is 5420211311587. The next prime is 5420211311719. The reversal of 5420211311640 is 461131120245.

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

It is a junction number, because it is equal to n+sod(n) for n = 5420211311598 and 5420211311607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1417621 + ... + 3584699.

It is an arithmetic number, because the mean of its divisors is an integer number (133844278500).

Almost surely, 2^{5420211311640} 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 5420211311640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8566033824000).

5420211311640 is an abundant number, since it is smaller than the sum of its proper divisors (11711856336360).

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

5420211311640 is a wasteful number, since it uses less digits than its factorization.

5420211311640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168209 (or 2168205 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 5420211311640 its reverse (461131120245), we get a palindrome (5881342431885).

The spelling of 5420211311640 in words is "five trillion, four hundred twenty billion, two hundred eleven million, three hundred eleven thousand, six hundred forty".