4000706740 has 48 divisors (see below), whose sum is σ = 8600256000. Its totient is φ = 1562580992.

The previous prime is 4000706737. The next prime is 4000706771. The reversal of 4000706740 is 476070004.

It is a junction number, because it is equal to n+sod(n) for n = 4000706699 and 4000706708.

It is a congruent number.

It is an unprimeable number.

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, 417321 + ... + 426799.

It is an arithmetic number, because the mean of its divisors is an integer number (179172000).

Almost surely, 2^4000706740 is an apocalyptic number.

It is an amenable number.

4000706740 is an abundant number, since it is smaller than the sum of its proper divisors (4599549260).

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

4000706740 is a wasteful number, since it uses less digits than its factorization.

4000706740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984 (or 9982 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 4000706740 is about 63251.1402268765. The cubic root of 4000706740 is about 1587.4945364476.

Adding to 4000706740 its reverse (476070004), we get a palindrome (4476776744).

The spelling of 4000706740 in words is "four billion, seven hundred six thousand, seven hundred forty".