1500944448402 has 128 divisors (see below), whose sum is σ = 4041143930880. Its totient is φ = 403116238080.

The previous prime is 1500944448349. The next prime is 1500944448431. The reversal of 1500944448402 is 2048444490051.

1500944448402 is a `hidden beast` number, since 150 + 0 + 94 + 4 + 4 + 4 + 8 + 402 = 666.

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 63 ways as a sum of consecutive naturals, for example, 5067483 + ... + 5355489.

It is an arithmetic number, because the mean of its divisors is an integer number (31571436960).

Almost surely, 2^{1500944448402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1500944448402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2020571965440).

1500944448402 is an abundant number, since it is smaller than the sum of its proper divisors (2540199482478).

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

1500944448402 is a wasteful number, since it uses less digits than its factorization.

1500944448402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288853 (or 288847 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 1500944448402 in words is "one trillion, five hundred billion, nine hundred forty-four million, four hundred forty-eight thousand, four hundred two".