494072040 has 192 divisors, whose sum is σ = 1862340480. Its totient is φ = 102643200.

The previous prime is 494072027. The next prime is 494072057. The reversal of 494072040 is 40270494.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 494071989 and 494072007.

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, 99210 + ... + 104070.

It is an arithmetic number, because the mean of its divisors is an integer number (9699690).

Almost surely, 2^494072040 is an apocalyptic number.

494072040 is a gapful number since it is divisible by the number (40) 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 494072040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931170240).

494072040 is an abundant number, since it is smaller than the sum of its proper divisors (1368268440).

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

494072040 is a wasteful number, since it uses less digits than its factorization.

494072040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 494072040 is about 22227.7313282305. The cubic root of 494072040 is about 790.5513642826.

The spelling of 494072040 in words is "four hundred ninety-four million, seventy-two thousand, forty".