40623454346 has 4 divisors (see below), whose sum is σ = 60935181522. Its totient is φ = 20311727172.

The previous prime is 40623454321. The next prime is 40623454373. The reversal of 40623454346 is 64345432604.

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., 27980925625 + 12642528721 = 167275^2 + 112439^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155863585 + ... + 10155863588.

Almost surely, 2^40623454346 is an apocalyptic number.

40623454346 is a deficient number, since it is larger than the sum of its proper divisors (20311727176).

40623454346 is a wasteful number, since it uses less digits than its factorization.

40623454346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311727175.

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 40623454346 in words is "forty billion, six hundred twenty-three million, four hundred fifty-four thousand, three hundred forty-six".