4040029038 has 32 divisors (see below), whose sum is σ = 8302381056. Its totient is φ = 1309657248.

The previous prime is 4040028977. The next prime is 4040029057. The reversal of 4040029038 is 8309200404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4040028996 and 4040029014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801795 + ... + 806817.

It is an arithmetic number, because the mean of its divisors is an integer number (259449408).

Almost surely, 2^4040029038 is an apocalyptic number.

4040029038 is an abundant number, since it is smaller than the sum of its proper divisors (4262352018).

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

4040029038 is a wasteful number, since it uses less digits than its factorization.

4040029038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4040029038 is about 63561.2227541290. Note that the first 3 decimals coincide. The cubic root of 4040029038 is about 1592.6786641979.

The spelling of 4040029038 in words is "four billion, forty million, twenty-nine thousand, thirty-eight".