1404606444544 has 88 divisors (see below), whose sum is σ = 2970633584160. Its totient is φ = 661960728576.

The previous prime is 1404606444541. The next prime is 1404606444557. The reversal of 1404606444544 is 4454446064041.

It is a junction number, because it is equal to n+sod(n) for n = 1404606444494 and 1404606444503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404606444541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3649599 + ... + 4016065.

It is an arithmetic number, because the mean of its divisors is an integer number (33757199820).

Almost surely, 2^{1404606444544} 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 1404606444544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485316792080).

1404606444544 is an abundant number, since it is smaller than the sum of its proper divisors (1566027139616).

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

1404606444544 is a wasteful number, since it uses less digits than its factorization.

1404606444544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366703 (or 366685 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 46.

The spelling of 1404606444544 in words is "one trillion, four hundred four billion, six hundred six million, four hundred forty-four thousand, five hundred forty-four".