40239503672945 has 8 divisors (see below), whose sum is σ = 48458031279936. Its totient is φ = 32077851690096.

The previous prime is 40239503672939. The next prime is 40239503672969. The reversal of 40239503672945 is 54927630593204.

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 40239503672945 - 2¹⁶ = 40239503607409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14218904477 + ... + 14218907306.

It is an arithmetic number, because the mean of its divisors is an integer number (6057253909992).

Almost surely, 2^{40239503672945} is an apocalyptic number.

It is an amenable number.

40239503672945 is a deficient number, since it is larger than the sum of its proper divisors (8218527606991).

40239503672945 is a wasteful number, since it uses less digits than its factorization.

40239503672945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28437812071.

The product of its (nonzero) digits is 48988800, while the sum is 59.

The spelling of 40239503672945 in words is "forty trillion, two hundred thirty-nine billion, five hundred three million, six hundred seventy-two thousand, nine hundred forty-five".