494420540 has 12 divisors (see below), whose sum is σ = 1038283176. Its totient is φ = 197768208.

The previous prime is 494420513. The next prime is 494420573. The reversal of 494420540 is 45024494.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 494420497 and 494420506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12360494 + ... + 12360533.

It is an arithmetic number, because the mean of its divisors is an integer number (86523598).

Almost surely, 2^494420540 is an apocalyptic number.

It is an amenable number.

494420540 is an abundant number, since it is smaller than the sum of its proper divisors (543862636).

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

494420540 is a wasteful number, since it uses less digits than its factorization.

494420540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24721036 (or 24721034 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 494420540 is about 22235.5692528885. The cubic root of 494420540 is about 790.7371957512.

The spelling of 494420540 in words is "four hundred ninety-four million, four hundred twenty thousand, five hundred forty".