499554900 has 108 divisors (see below), whose sum is σ = 1686314812. Its totient is φ = 122964480.

The previous prime is 499554889. The next prime is 499554901. The reversal of 499554900 is 9455994.

499554900 is a `hidden beast` number, since 4 + 9 + 9 + 554 + 90 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 132296004 + 367258896 = 11502^2 + 19164^2 .

It is a super-5 number, since 5×499554900⁵ (a number of 45 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499554901) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9649 + ... + 33048.

Almost surely, 2^499554900 is an apocalyptic number.

It is an amenable number.

499554900 is an abundant number, since it is smaller than the sum of its proper divisors (1186759912).

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

499554900 is a wasteful number, since it uses less digits than its factorization.

499554900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42730 (or 42720 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 499554900 is about 22350.7248204616. The cubic root of 499554900 is about 793.4649386609.

It can be divided in two parts, 4995 and 54900, that added together give a palindrome (59895).

The spelling of 499554900 in words is "four hundred ninety-nine million, five hundred fifty-four thousand, nine hundred".