499249040 has 120 divisors (see below), whose sum is σ = 1244170368. Its totient is φ = 186208000.

The previous prime is 499249033. The next prime is 499249061. The reversal of 499249040 is 40942994.

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, 1988915 + ... + 1989165.

Almost surely, 2^499249040 is an apocalyptic number.

499249040 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 499249040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622085184).

499249040 is an abundant number, since it is smaller than the sum of its proper divisors (744921328).

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

499249040 is a wasteful number, since it uses less digits than its factorization.

499249040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 499249040 is about 22343.8814891236. The cubic root of 499249040 is about 793.3029686532.

The spelling of 499249040 in words is "four hundred ninety-nine million, two hundred forty-nine thousand, forty".