6215400400000 has 384 divisors, whose sum is σ = 17618161115520. Its totient is φ = 2161843200000.

The previous prime is 6215400399997. The next prime is 6215400400051. The reversal of 6215400400000 is 40045126.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101169292 + ... + 101230708.

It is an arithmetic number, because the mean of its divisors is an integer number (45880627905).

Almost surely, 2^{6215400400000} 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 6215400400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8809080557760).

6215400400000 is an abundant number, since it is smaller than the sum of its proper divisors (11402760715520).

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

6215400400000 is an equidigital number, since it uses as much as digits as its factorization.

6215400400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61490 (or 61458 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 6215400400000 its reverse (40045126), we get a palindrome (6215440445126).

The spelling of 6215400400000 in words is "six trillion, two hundred fifteen billion, four hundred million, four hundred thousand".