499381442 has 12 divisors (see below), whose sum is σ = 871369830. Its totient is φ = 214020576.

The previous prime is 499381433. The next prime is 499381453. The reversal of 499381442 is 244183994.

It can be written as a sum of positive squares in only one way, i.e., 480968761 + 18412681 = 21931^2 + 4291^2 .

It is a super-2 number, since 2×499381442² = 498763649227998728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 499381393 and 499381402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2547767 + ... + 2547962.

Almost surely, 2^499381442 is an apocalyptic number.

499381442 is a deficient number, since it is larger than the sum of its proper divisors (371988388).

499381442 is a wasteful number, since it uses less digits than its factorization.

499381442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095745 (or 5095738 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 499381442 is about 22346.8441172350. The cubic root of 499381442 is about 793.3730910487.

The spelling of 499381442 in words is "four hundred ninety-nine million, three hundred eighty-one thousand, four hundred forty-two".