40329572545 has 8 divisors (see below), whose sum is σ = 48415861224. Its totient is φ = 32250075264.

The previous prime is 40329572531. The next prime is 40329572561. The reversal of 40329572545 is 54527592304.

It can be written as a sum of positive squares in 4 ways, for example, as 278756416 + 40050816129 = 16696^2 + 200127^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40329572545 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40329572495 and 40329572504.

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, 1684774 + ... + 1708543.

It is an arithmetic number, because the mean of its divisors is an integer number (6051982653).

Almost surely, 2^40329572545 is an apocalyptic number.

It is an amenable number.

40329572545 is a deficient number, since it is larger than the sum of its proper divisors (8086288679).

40329572545 is a wasteful number, since it uses less digits than its factorization.

40329572545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395699.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 40329572545 in words is "forty billion, three hundred twenty-nine million, five hundred seventy-two thousand, five hundred forty-five".