40409962 has 4 divisors (see below), whose sum is σ = 60614946. Its totient is φ = 20204980.

The previous prime is 40409959. The next prime is 40409983. The reversal of 40409962 is 26990404.

40409962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 36252441 + 4157521 = 6021^2 + 2039^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102489 + ... + 10102492.

Almost surely, 2^40409962 is an apocalyptic number.

40409962 is a deficient number, since it is larger than the sum of its proper divisors (20204984).

40409962 is a wasteful number, since it uses less digits than its factorization.

40409962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20204983.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 40409962 is about 6356.8830412396. The cubic root of 40409962 is about 343.1595955952.

The spelling of 40409962 in words is "forty million, four hundred nine thousand, nine hundred sixty-two".