1963203480 has 160 divisors (see below), whose sum is σ = 7541281440. Its totient is φ = 448727040.

The previous prime is 1963203457. The next prime is 1963203491. The reversal of 1963203480 is 843023691.

1963203480 is a `hidden beast` number, since 19 + 632 + 0 + 3 + 4 + 8 + 0 = 666.

It is a super-2 number, since 2×1963203480² = 7708335807768220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20601 + ... + 65960.

It is an arithmetic number, because the mean of its divisors is an integer number (47133009).

Almost surely, 2^1963203480 is an apocalyptic number.

1963203480 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 1963203480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3770640720).

1963203480 is an abundant number, since it is smaller than the sum of its proper divisors (5578077960).

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

1963203480 is a wasteful number, since it uses less digits than its factorization.

1963203480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86591 (or 86578 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1963203480 is about 44308.0520898854. The cubic root of 1963203480 is about 1252.1463880385.

The spelling of 1963203480 in words is "one billion, nine hundred sixty-three million, two hundred three thousand, four hundred eighty".