425215545342 has 32 divisors (see below), whose sum is σ = 995626646784. Its totient is φ = 118526980800.

The previous prime is 425215545289. The next prime is 425215545413. The reversal of 425215545342 is 243545512524.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 425215545294 and 425215545303.

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, 123463884 + ... + 123467327.

It is an arithmetic number, because the mean of its divisors is an integer number (31113332712).

Almost surely, 2^425215545342 is an apocalyptic number.

425215545342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

425215545342 is an abundant number, since it is smaller than the sum of its proper divisors (570411101442).

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

425215545342 is a wasteful number, since it uses less digits than its factorization.

425215545342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246931264.

The product of its digits is 960000, while the sum is 42.

The spelling of 425215545342 in words is "four hundred twenty-five billion, two hundred fifteen million, five hundred forty-five thousand, three hundred forty-two".