494735915257398 has 48 divisors (see below), whose sum is σ = 1078971726328080. Its totient is φ = 163828714615488.

The previous prime is 494735915257361. The next prime is 494735915257421. The reversal of 494735915257398 is 893752519537494.

494735915257398 is a `hidden beast` number, since 4 + 9 + 4 + 7 + 3 + 59 + 1 + 525 + 7 + 39 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3458953 + ... + 31645476.

It is an arithmetic number, because the mean of its divisors is an integer number (22478577631835).

Almost surely, 2^{494735915257398} is an apocalyptic number.

494735915257398 is an abundant number, since it is smaller than the sum of its proper divisors (584235811070682).

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

494735915257398 is a wasteful number, since it uses less digits than its factorization.

494735915257398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35109581 (or 35109578 counting only the distinct ones).

The product of its digits is 10287648000, while the sum is 81.

The spelling of 494735915257398 in words is "four hundred ninety-four trillion, seven hundred thirty-five billion, nine hundred fifteen million, two hundred fifty-seven thousand, three hundred ninety-eight".