40238704 has 40 divisors (see below), whose sum is σ = 85963248. Its totient is φ = 18094080.

The previous prime is 40238699. The next prime is 40238717. The reversal of 40238704 is 40783204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15894 + ... + 18250.

Almost surely, 2^40238704 is an apocalyptic number.

40238704 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 40238704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42981624).

40238704 is an abundant number, since it is smaller than the sum of its proper divisors (45724544).

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

40238704 is a wasteful number, since it uses less digits than its factorization.

40238704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 40238704 is about 6343.3984582399. The cubic root of 40238704 is about 342.6741373882.

The spelling of 40238704 in words is "forty million, two hundred thirty-eight thousand, seven hundred four".