340425133520 has 80 divisors (see below), whose sum is σ = 822898997760. Its totient is φ = 130829299200.

The previous prime is 340425133487. The next prime is 340425133541. The reversal of 340425133520 is 25331524043.

It is a tau number, because it is divible by the number of its divisors (80).

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, 149051 + ... + 838490.

It is an arithmetic number, because the mean of its divisors is an integer number (10286237472).

Almost surely, 2^340425133520 is an apocalyptic number.

It is an amenable number.

340425133520 is an abundant number, since it is smaller than the sum of its proper divisors (482473864240).

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

340425133520 is a wasteful number, since it uses less digits than its factorization.

340425133520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987724 (or 987718 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 340425133520 its reverse (25331524043), we get a palindrome (365756657563).

The spelling of 340425133520 in words is "three hundred forty billion, four hundred twenty-five million, one hundred thirty-three thousand, five hundred twenty".