40304354 has 4 divisors (see below), whose sum is σ = 60456534. Its totient is φ = 20152176.

The previous prime is 40304323. The next prime is 40304401. The reversal of 40304354 is 45340304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39627025 + 677329 = 6295^2 + 823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076087 + ... + 10076090.

Almost surely, 2^40304354 is an apocalyptic number.

40304354 is a deficient number, since it is larger than the sum of its proper divisors (20152180).

40304354 is a wasteful number, since it uses less digits than its factorization.

40304354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20152179.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40304354 is about 6348.5710203163. The cubic root of 40304354 is about 342.8603953230.

Adding to 40304354 its reverse (45340304), we get a palindrome (85644658).

The spelling of 40304354 in words is "forty million, three hundred four thousand, three hundred fifty-four".