342526947840 has 480 divisors, whose sum is σ = 1478990088576. Its totient is φ = 71174062080.

The previous prime is 342526947797. The next prime is 342526947857. The reversal of 342526947840 is 48749625243.

It is a happy number.

342526947840 is a `hidden beast` number, since 3 + 4 + 2 + 526 + 9 + 4 + 78 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1677544 + ... + 1870616.

Almost surely, 2^342526947840 is an apocalyptic number.

342526947840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342526947840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739495044288).

342526947840 is an abundant number, since it is smaller than the sum of its proper divisors (1136463140736).

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

342526947840 is a wasteful number, since it uses less digits than its factorization.

342526947840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193120 (or 193101 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 342526947840 in words is "three hundred forty-two billion, five hundred twenty-six million, nine hundred forty-seven thousand, eight hundred forty".