425240454134450 has 192 divisors, whose sum is σ = 880560319961088. Its totient is φ = 151964780774400.

The previous prime is 425240454134413. The next prime is 425240454134453. The reversal of 425240454134450 is 54431454042524.

It is a junction number, because it is equal to n+sod(n) for n = 425240454134395 and 425240454134404.

It is not an unprimeable number, because it can be changed into a prime (425240454134453) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1380017297 + ... + 1380325403.

It is an arithmetic number, because the mean of its divisors is an integer number (4586251666464).

Almost surely, 2^{425240454134450} is an apocalyptic number.

425240454134450 is an abundant number, since it is smaller than the sum of its proper divisors (455319865826638).

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

425240454134450 is a wasteful number, since it uses less digits than its factorization.

425240454134450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308697 (or 308692 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 47.

The spelling of 425240454134450 in words is "four hundred twenty-five trillion, two hundred forty billion, four hundred fifty-four million, one hundred thirty-four thousand, four hundred fifty".