3622400767428 has 96 divisors (see below), whose sum is σ = 9194848233984. Its totient is φ = 1105302601728.

The previous prime is 3622400767379. The next prime is 3622400767441. The reversal of 3622400767428 is 8247670042263.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19964725 + ... + 20145347.

It is an arithmetic number, because the mean of its divisors is an integer number (95779669104).

Almost surely, 2^{3622400767428} 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 3622400767428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4597424116992).

3622400767428 is an abundant number, since it is smaller than the sum of its proper divisors (5572447466556).

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

3622400767428 is a wasteful number, since it uses less digits than its factorization.

3622400767428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183341 (or 183339 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 51.

The spelling of 3622400767428 in words is "three trillion, six hundred twenty-two billion, four hundred million, seven hundred sixty-seven thousand, four hundred twenty-eight".