1473481640 has 32 divisors (see below), whose sum is σ = 3360755880. Its totient is φ = 581317632.

The previous prime is 1473481589. The next prime is 1473481687. The reversal of 1473481640 is 461843741.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1459087204 + 14394436 = 38198^2 + 3794^2 .

It is a super-2 number, since 2×1473481640² = 4342296286834179200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1473481594 and 1473481603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249389 + ... + 255228.

Almost surely, 2^1473481640 is an apocalyptic number.

1473481640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1473481640 is an abundant number, since it is smaller than the sum of its proper divisors (1887274240).

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

1473481640 is a wasteful number, since it uses less digits than its factorization.

1473481640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504701 (or 504697 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1473481640 is about 38385.9562861211. The cubic root of 1473481640 is about 1137.9283294528.

The spelling of 1473481640 in words is "one billion, four hundred seventy-three million, four hundred eighty-one thousand, six hundred forty".