40088004 has 48 divisors (see below), whose sum is σ = 103299840. Its totient is φ = 11998240.

The previous prime is 40087987. The next prime is 40088029.

40088004 is nontrivially palindromic in base 10.

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, 9127 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (2152080).

Almost surely, 2^40088004 is an apocalyptic number.

40088004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40088004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51649920).

40088004 is an abundant number, since it is smaller than the sum of its proper divisors (63211836).

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

40088004 is a wasteful number, since it uses less digits than its factorization.

40088004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 40088004 is about 6331.5088249169. The cubic root of 40088004 is about 342.2458134977.

The spelling of 40088004 in words is "forty million, eighty-eight thousand, four".