40208949623 has 8 divisors (see below), whose sum is σ = 41964730368. Its totient is φ = 38453799384.

The previous prime is 40208949611. The next prime is 40208949629. The reversal of 40208949623 is 32694980204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40208949623 - 2¹⁰ = 40208948599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40208949629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24911 + ... + 284672.

It is an arithmetic number, because the mean of its divisors is an integer number (5245591296).

Almost surely, 2^40208949623 is an apocalyptic number.

40208949623 is a deficient number, since it is larger than the sum of its proper divisors (1755780745).

40208949623 is a wasteful number, since it uses less digits than its factorization.

40208949623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315253.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 40208949623 in words is "forty billion, two hundred eight million, nine hundred forty-nine thousand, six hundred twenty-three".