1906428601344 has 88 divisors (see below), whose sum is σ = 5089259719008. Its totient is φ = 634484162560.

The previous prime is 1906428601291. The next prime is 1906428601369. The reversal of 1906428601344 is 4431068246091.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1906428601293 and 1906428601302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485079 + ... + 2453225.

Almost surely, 2^{1906428601344} 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 1906428601344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2544629859504).

1906428601344 is an abundant number, since it is smaller than the sum of its proper divisors (3182831117664).

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

1906428601344 is an equidigital number, since it uses as much as digits as its factorization.

1906428601344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968811 (or 968793 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 1906428601344 in words is "one trillion, nine hundred six billion, four hundred twenty-eight million, six hundred one thousand, three hundred forty-four".