1425430688544 has 288 divisors, whose sum is σ = 4503706945920. Its totient is φ = 425355042816.

The previous prime is 1425430688537. The next prime is 1425430688579. The reversal of 1425430688544 is 4458860345241.

1425430688544 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 4 + 30 + 68 + 8 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20121474 + ... + 20192190.

It is an arithmetic number, because the mean of its divisors is an integer number (15637871340).

Almost surely, 2^{1425430688544} 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 1425430688544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2251853472960).

1425430688544 is an abundant number, since it is smaller than the sum of its proper divisors (3078276257376).

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

1425430688544 is a wasteful number, since it uses less digits than its factorization.

1425430688544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70952 (or 70941 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 54.

The spelling of 1425430688544 in words is "one trillion, four hundred twenty-five billion, four hundred thirty million, six hundred eighty-eight thousand, five hundred forty-four".