471491431026 has 128 divisors (see below), whose sum is σ = 1181516544000. Its totient is φ = 121857576960.

The previous prime is 471491431001. The next prime is 471491431067. The reversal of 471491431026 is 620134194174.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80690461 + ... + 80696303.

It is an arithmetic number, because the mean of its divisors is an integer number (9230598000).

Almost surely, 2^471491431026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 471491431026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590758272000).

471491431026 is an abundant number, since it is smaller than the sum of its proper divisors (710025112974).

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

471491431026 is a wasteful number, since it uses less digits than its factorization.

471491431026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 471491431026 in words is "four hundred seventy-one billion, four hundred ninety-one million, four hundred thirty-one thousand, twenty-six".