40304154 has 32 divisors (see below), whose sum is σ = 90777600. Its totient is φ = 11818800.

The previous prime is 40304129. The next prime is 40304183. The reversal of 40304154 is 45140304.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40304154.

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, 7804 + ... + 11895.

It is an arithmetic number, because the mean of its divisors is an integer number (2836800).

Almost surely, 2^40304154 is an apocalyptic number.

40304154 is an abundant number, since it is smaller than the sum of its proper divisors (50473446).

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

40304154 is a wasteful number, since it uses less digits than its factorization.

40304154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19746.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40304154 is about 6348.5552687206. Note that the first 3 decimals coincide. The cubic root of 40304154 is about 342.8598282032.

Adding to 40304154 its reverse (45140304), we get a palindrome (85444458).

The spelling of 40304154 in words is "forty million, three hundred four thousand, one hundred fifty-four".