471949980 has 24 divisors (see below), whose sum is σ = 1321460112. Its totient is φ = 125853312.

The previous prime is 471949979. The next prime is 471949981. The reversal of 471949980 is 89949174.

It is an interprime number because it is at equal distance from previous prime (471949979) and next prime (471949981).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471949981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3932857 + ... + 3932976.

It is an arithmetic number, because the mean of its divisors is an integer number (55060838).

Almost surely, 2^471949980 is an apocalyptic number.

It is an amenable number.

471949980 is an abundant number, since it is smaller than the sum of its proper divisors (849510132).

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

471949980 is a wasteful number, since it uses less digits than its factorization.

471949980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7865845 (or 7865843 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 471949980 is about 21724.4097733402. The cubic root of 471949980 is about 778.5717782933.

The spelling of 471949980 in words is "four hundred seventy-one million, nine hundred forty-nine thousand, nine hundred eighty".