255465938394 has 56 divisors (see below), whose sum is σ = 579059857920. Its totient is φ = 84484737288.

The previous prime is 255465938347. The next prime is 255465938443. The reversal of 255465938394 is 493839564552.

It is a happy number.

255465938394 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 6 + 593 + 8 + 39 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 504664 + ... + 874995.

Almost surely, 2^255465938394 is an apocalyptic number.

255465938394 is an abundant number, since it is smaller than the sum of its proper divisors (323593919526).

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

255465938394 is a wasteful number, since it uses less digits than its factorization.

255465938394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379806 (or 1379791 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 63.

The spelling of 255465938394 in words is "two hundred fifty-five billion, four hundred sixty-five million, nine hundred thirty-eight thousand, three hundred ninety-four".