40204734 has 16 divisors (see below), whose sum is σ = 81728400. Its totient is φ = 13181760.

The previous prime is 40204733. The next prime is 40204739. The reversal of 40204734 is 43740204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54559 + ... + 55290.

It is an arithmetic number, because the mean of its divisors is an integer number (5108025).

Almost surely, 2^40204734 is an apocalyptic number.

40204734 is an abundant number, since it is smaller than the sum of its proper divisors (41523666).

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

40204734 is a wasteful number, since it uses less digits than its factorization.

40204734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109915.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 40204734 is about 6340.7203060851. The cubic root of 40204734 is about 342.5776803576.

Adding to 40204734 its reverse (43740204), we get a palindrome (83944938).

The spelling of 40204734 in words is "forty million, two hundred four thousand, seven hundred thirty-four".