40012354 has 4 divisors (see below), whose sum is σ = 60018534. Its totient is φ = 20006176.

The previous prime is 40012321. The next prime is 40012361. The reversal of 40012354 is 45321004.

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., 39250225 + 762129 = 6265^2 + 873^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003087 + ... + 10003090.

Almost surely, 2^40012354 is an apocalyptic number.

40012354 is a deficient number, since it is larger than the sum of its proper divisors (20006180).

40012354 is a wasteful number, since it uses less digits than its factorization.

40012354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20006179.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40012354 is about 6325.5319143927. The cubic root of 40012354 is about 342.0303941160.

Adding to 40012354 its reverse (45321004), we get a palindrome (85333358).

The spelling of 40012354 in words is "forty million, twelve thousand, three hundred fifty-four".