490000049 has 12 divisors (see below), whose sum is σ = 621818928. Its totient is φ = 381817800.

The previous prime is 490000031. The next prime is 490000057. The reversal of 490000049 is 940000094.

It is not a de Polignac number, because 490000049 - 2⁸ = 489999793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489999982 and 490000027.

It is not an unprimeable number, because it can be changed into a prime (490000019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454007 + ... + 455084.

It is an arithmetic number, because the mean of its divisors is an integer number (51818244).

Almost surely, 2^490000049 is an apocalyptic number.

490000049 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

490000049 is a deficient number, since it is larger than the sum of its proper divisors (131818879).

490000049 is a wasteful number, since it uses less digits than its factorization.

490000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909116 (or 909109 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 490000049 is about 22135.9447279758. The cubic root of 490000049 is about 788.3735425896.

The spelling of 490000049 in words is "four hundred ninety million, forty-nine", and thus it is an aban number.