425512222452440 has 64 divisors (see below), whose sum is σ = 976297267157760. Its totient is φ = 166869898715520.

The previous prime is 425512222452437. The next prime is 425512222452451. The reversal of 425512222452440 is 44254222215524.

It is a junction number, because it is equal to n+sod(n) for n = 425512222452391 and 425512222452400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375674372 + ... + 376805331.

It is an arithmetic number, because the mean of its divisors is an integer number (15254644799340).

Almost surely, 2^{425512222452440} is an apocalyptic number.

425512222452440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425512222452440 is an abundant number, since it is smaller than the sum of its proper divisors (550785044705320).

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

425512222452440 is a wasteful number, since it uses less digits than its factorization.

425512222452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752479992 (or 752479988 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 44.

Adding to 425512222452440 its reverse (44254222215524), we get a palindrome (469766444667964).

The spelling of 425512222452440 in words is "four hundred twenty-five trillion, five hundred twelve billion, two hundred twenty-two million, four hundred fifty-two thousand, four hundred forty".