490136870 has 8 divisors (see below), whose sum is σ = 882246384. Its totient is φ = 196054744.

The previous prime is 490136869. The next prime is 490136873. The reversal of 490136870 is 78631094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490136873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24506834 + ... + 24506853.

It is an arithmetic number, because the mean of its divisors is an integer number (110280798).

Almost surely, 2^490136870 is an apocalyptic number.

490136870 is a deficient number, since it is larger than the sum of its proper divisors (392109514).

490136870 is a wasteful number, since it uses less digits than its factorization.

490136870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49013694.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 490136870 is about 22139.0349834856. The cubic root of 490136870 is about 788.4469140234.

The spelling of 490136870 in words is "four hundred ninety million, one hundred thirty-six thousand, eight hundred seventy".