425732280954438 has 32 divisors (see below), whose sum is σ = 851597711527680. Its totient is φ = 141888570138720.

The previous prime is 425732280954433. The next prime is 425732280954439. The reversal of 425732280954438 is 834459082237524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425732280954433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321287093 + ... + 1321609263.

It is an arithmetic number, because the mean of its divisors is an integer number (26612428485240).

Almost surely, 2^{425732280954438} is an apocalyptic number.

425732280954438 is an abundant number, since it is smaller than the sum of its proper divisors (425865430573242).

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

425732280954438 is a wasteful number, since it uses less digits than its factorization.

425732280954438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355932.

The product of its (nonzero) digits is 464486400, while the sum is 66.

The spelling of 425732280954438 in words is "four hundred twenty-five trillion, seven hundred thirty-two billion, two hundred eighty million, nine hundred fifty-four thousand, four hundred thirty-eight".