499527400 has 24 divisors (see below), whose sum is σ = 1161401670. Its totient is φ = 199810880.

The previous prime is 499527389. The next prime is 499527403. The reversal of 499527400 is 4725994.

It can be written as a sum of positive squares in 3 ways, for example, as 181333156 + 318194244 = 13466^2 + 17838^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (499527403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1248619 + ... + 1249018.

Almost surely, 2^499527400 is an apocalyptic number.

499527400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499527400 is an abundant number, since it is smaller than the sum of its proper divisors (661874270).

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

499527400 is a wasteful number, since it uses less digits than its factorization.

499527400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497653 (or 2497644 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 499527400 is about 22350.1096194180. The cubic root of 499527400 is about 793.4503785754.

The spelling of 499527400 in words is "four hundred ninety-nine million, five hundred twenty-seven thousand, four hundred".