1471883640 has 192 divisors, whose sum is σ = 4745187360. Its totient is φ = 365091840.

The previous prime is 1471883599. The next prime is 1471883669. The reversal of 1471883640 is 463881741.

It is a junction number, because it is equal to n+sod(n) for n = 1471883592 and 1471883601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2642242 + ... + 2642798.

Almost surely, 2^1471883640 is an apocalyptic number.

1471883640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1471883640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2372593680).

1471883640 is an abundant number, since it is smaller than the sum of its proper divisors (3273303720).

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

1471883640 is a wasteful number, since it uses less digits than its factorization.

1471883640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1471883640 is about 38365.1357354565. The cubic root of 1471883640 is about 1137.5168172050.

The spelling of 1471883640 in words is "one billion, four hundred seventy-one million, eight hundred eighty-three thousand, six hundred forty".