1425432234642 has 64 divisors (see below), whose sum is σ = 3111757496064. Its totient is φ = 432683654400.

The previous prime is 1425432234641. The next prime is 1425432234701. The reversal of 1425432234642 is 2464322345241.

It is a super-5 number, since 5×1425432234642⁵ (a number of 62 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1425432234594 and 1425432234603.

It is not an unprimeable number, because it can be changed into a prime (1425432234641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1855603 + ... + 2508809.

It is an arithmetic number, because the mean of its divisors is an integer number (48621210876).

Almost surely, 2^{1425432234642} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425432234642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555878748032).

1425432234642 is an abundant number, since it is smaller than the sum of its proper divisors (1686325261422).

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

1425432234642 is a wasteful number, since it uses less digits than its factorization.

1425432234642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653603.

The product of its digits is 1105920, while the sum is 42.

Adding to 1425432234642 its reverse (2464322345241), we get a palindrome (3889754579883).

The spelling of 1425432234642 in words is "one trillion, four hundred twenty-five billion, four hundred thirty-two million, two hundred thirty-four thousand, six hundred forty-two".