498644634384 has 160 divisors (see below), whose sum is σ = 1570478232960. Its totient is φ = 150534139392.

The previous prime is 498644634361. The next prime is 498644634401. The reversal of 498644634384 is 483436446894.

It is a happy number.

498644634384 is a `hidden beast` number, since 4 + 9 + 86 + 446 + 34 + 3 + 84 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539994 + ... + 1135289.

It is an arithmetic number, because the mean of its divisors is an integer number (9815488956).

Almost surely, 2^498644634384 is an apocalyptic number.

It is an amenable number.

498644634384 is an abundant number, since it is smaller than the sum of its proper divisors (1071833598576).

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

498644634384 is a wasteful number, since it uses less digits than its factorization.

498644634384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675366 (or 1675354 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 63.

The spelling of 498644634384 in words is "four hundred ninety-eight billion, six hundred forty-four million, six hundred thirty-four thousand, three hundred eighty-four".