4040373738 has 8 divisors (see below), whose sum is σ = 8080747488. Its totient is φ = 1346791244.

The previous prime is 4040373721. The next prime is 4040373739. The reversal of 4040373738 is 8373730404.

It is a sphenic number, since it is the product of 3 distinct primes.

4040373738 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 4040373696 and 4040373705.

It is not an unprimeable number, because it can be changed into a prime (4040373739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336697806 + ... + 336697817.

It is an arithmetic number, because the mean of its divisors is an integer number (1010093436).

Almost surely, 2^4040373738 is an apocalyptic number.

4040373738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4040373738 is a wasteful number, since it uses less digits than its factorization.

4040373738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673395628.

The product of its (nonzero) digits is 169344, while the sum is 39.

The square root of 4040373738 is about 63563.9342552048. The cubic root of 4040373738 is about 1592.7239593115.

The spelling of 4040373738 in words is "four billion, forty million, three hundred seventy-three thousand, seven hundred thirty-eight".