1963062440 has 16 divisors (see below), whose sum is σ = 4416890580. Its totient is φ = 785224960.

The previous prime is 1963062427. The next prime is 1963062467. The reversal of 1963062440 is 442603691.

It can be written as a sum of positive squares in 2 ways, for example, as 1963021636 + 40804 = 44306^2 + 202^2 .

It is a super-2 number, since 2×1963062440² = 7707228286677507200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1963062440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24538241 + ... + 24538320.

Almost surely, 2^1963062440 is an apocalyptic number.

1963062440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1963062440 is an abundant number, since it is smaller than the sum of its proper divisors (2453828140).

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

1963062440 is a wasteful number, since it uses less digits than its factorization.

1963062440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49076572 (or 49076568 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1963062440 is about 44306.4604770004. The cubic root of 1963062440 is about 1252.1164018522.

The spelling of 1963062440 in words is "one billion, nine hundred sixty-three million, sixty-two thousand, four hundred forty".