602838134640 has 1280 divisors, whose sum is σ = 2578120704000. Its totient is φ = 126456422400.

The previous prime is 602838134623. The next prime is 602838134651. The reversal of 602838134640 is 46431838206.

602838134640 is a `hidden beast` number, since 602 + 8 + 3 + 8 + 1 + 34 + 6 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2145331300 + ... + 2145331580.

It is an arithmetic number, because the mean of its divisors is an integer number (2014156800).

Almost surely, 2^602838134640 is an apocalyptic number.

602838134640 is a gapful number since it is divisible by the number (60) 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 602838134640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289060352000).

602838134640 is an abundant number, since it is smaller than the sum of its proper divisors (1975282569360).

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

602838134640 is a wasteful number, since it uses less digits than its factorization.

602838134640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 602838134640 in words is "six hundred two billion, eight hundred thirty-eight million, one hundred thirty-four thousand, six hundred forty".