40340954 has 4 divisors (see below), whose sum is σ = 60511434. Its totient is φ = 20170476.

The previous prime is 40340953. The next prime is 40340957. The reversal of 40340954 is 45904304.

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., 38105929 + 2235025 = 6173^2 + 1495^2 .

It is not an unprimeable number, because it can be changed into a prime (40340953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10085237 + ... + 10085240.

Almost surely, 2^40340954 is an apocalyptic number.

40340954 is a deficient number, since it is larger than the sum of its proper divisors (20170480).

40340954 is a wasteful number, since it uses less digits than its factorization.

40340954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20170479.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40340954 is about 6351.4529046510. The cubic root of 40340954 is about 342.9641466773.

The spelling of 40340954 in words is "forty million, three hundred forty thousand, nine hundred fifty-four".