471813540 has 48 divisors (see below), whose sum is σ = 1441177920. Its totient is φ = 114378880.

The previous prime is 471813539. The next prime is 471813547. The reversal of 471813540 is 45318174.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (471813547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356775 + ... + 358094.

It is an arithmetic number, because the mean of its divisors is an integer number (30024540).

Almost surely, 2^471813540 is an apocalyptic number.

It is an amenable number.

471813540 is an abundant number, since it is smaller than the sum of its proper divisors (969364380).

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

471813540 is a wasteful number, since it uses less digits than its factorization.

471813540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714892 (or 714890 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 471813540 is about 21721.2692999281. The cubic root of 471813540 is about 778.4967431015.

It can be divided in two parts, 47181 and 3540, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 471813540 in words is "four hundred seventy-one million, eight hundred thirteen thousand, five hundred forty".