4015883640 has 64 divisors (see below), whose sum is σ = 12051833760. Its totient is φ = 1070530560.

The previous prime is 4015883639. The next prime is 4015883647. The reversal of 4015883640 is 463885104.

It is a Cunningham number, because it is equal to 63371²-1.

It is a super-2 number, since 2×4015883640² = 32254642820039299200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015883647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630552 + ... + 636888.

Almost surely, 2^4015883640 is an apocalyptic number.

4015883640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4015883640 is an abundant number, since it is smaller than the sum of its proper divisors (8035950120).

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

4015883640 is a wasteful number, since it uses less digits than its factorization.

4015883640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632 (or 11628 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 4015883640 is about 63370.9999921100. Note that the first 5 decimals coincide. The cubic root of 4015883640 is about 1589.4994191756.

The spelling of 4015883640 in words is "four billion, fifteen million, eight hundred eighty-three thousand, six hundred forty".