494132436 has 144 divisors (see below), whose sum is σ = 1508835328. Its totient is φ = 133358400.

The previous prime is 494132423. The next prime is 494132473. The reversal of 494132436 is 634231494.

It is a happy number.

494132436 is a `hidden beast` number, since 4 + 94 + 132 + 436 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 494132436.

It is a congruent number.

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, 335181 + ... + 336651.

Almost surely, 2^494132436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494132436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754417664).

494132436 is an abundant number, since it is smaller than the sum of its proper divisors (1014702892).

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

494132436 is a wasteful number, since it uses less digits than its factorization.

494132436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1557 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 494132436 is about 22229.0898599110. The cubic root of 494132436 is about 790.5835756411.

The spelling of 494132436 in words is "four hundred ninety-four million, one hundred thirty-two thousand, four hundred thirty-six".