472487003607138 has 128 divisors (see below), whose sum is σ = 1033590520779264. Its totient is φ = 143111854233600.

The previous prime is 472487003607083. The next prime is 472487003607149. The reversal of 472487003607138 is 831706300784274.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23486941456 + ... + 23486961572.

It is an arithmetic number, because the mean of its divisors is an integer number (8074925943588).

Almost surely, 2^{472487003607138} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472487003607138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516795260389632).

472487003607138 is an abundant number, since it is smaller than the sum of its proper divisors (561103517172126).

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

472487003607138 is a wasteful number, since it uses less digits than its factorization.

472487003607138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540.

The product of its (nonzero) digits is 37933056, while the sum is 60.

The spelling of 472487003607138 in words is "four hundred seventy-two trillion, four hundred eighty-seven billion, three million, six hundred seven thousand, one hundred thirty-eight".