4318781040 has 120 divisors (see below), whose sum is σ = 16575912288. Its totient is φ = 987148800.

The previous prime is 4318781021. The next prime is 4318781063. The reversal of 4318781040 is 401878134.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a junction number, because it is equal to n+sod(n) for n = 4318780986 and 4318781004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423411 + ... + 433490.

Almost surely, 2^4318781040 is an apocalyptic number.

4318781040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4318781040 is an abundant number, since it is smaller than the sum of its proper divisors (12257131248).

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

4318781040 is a wasteful number, since it uses less digits than its factorization.

4318781040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856927 (or 856918 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 4318781040 is about 65717.4333035002. The cubic root of 4318781040 is about 1628.4973719127.

The spelling of 4318781040 in words is "four billion, three hundred eighteen million, seven hundred eighty-one thousand, forty".