425340405534 has 32 divisors (see below), whose sum is σ = 949597190784. Its totient is φ = 125893565280.

The previous prime is 425340405439. The next prime is 425340405571. The reversal of 425340405534 is 435504043524.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 425340405492 and 425340405501.

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, 74933809 + ... + 74939484.

It is an arithmetic number, because the mean of its divisors is an integer number (29674912212).

Almost surely, 2^425340405534 is an apocalyptic number.

425340405534 is an abundant number, since it is smaller than the sum of its proper divisors (524256785250).

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

425340405534 is a wasteful number, since it uses less digits than its factorization.

425340405534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149873352.

The product of its (nonzero) digits is 576000, while the sum is 39.

The spelling of 425340405534 in words is "four hundred twenty-five billion, three hundred forty million, four hundred five thousand, five hundred thirty-four".