4000707438 has 64 divisors (see below), whose sum is σ = 10033777152. Its totient is φ = 1035216000.

The previous prime is 4000707437. The next prime is 4000707439. The reversal of 4000707438 is 8347070004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4000707437) and next prime (4000707439).

It is a junction number, because it is equal to n+sod(n) for n = 4000707399 and 4000707408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000707437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40188 + ... + 98063.

It is an arithmetic number, because the mean of its divisors is an integer number (156777768).

Almost surely, 2^4000707438 is an apocalyptic number.

4000707438 is an abundant number, since it is smaller than the sum of its proper divisors (6033069714).

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

4000707438 is a wasteful number, since it uses less digits than its factorization.

4000707438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138329.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 4000707438 is about 63251.1457445634. The cubic root of 4000707438 is about 1587.4946287706.

The spelling of 4000707438 in words is "four billion, seven hundred seven thousand, four hundred thirty-eight".