40881504505 has 8 divisors (see below), whose sum is σ = 49060794312. Its totient is φ = 32703211008.

The previous prime is 40881504497. The next prime is 40881504551. The reversal of 40881504505 is 50540518804.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 437479056 + 40444025449 = 20916^2 + 201107^2 .

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 40881504505 - 2³ = 40881504497 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, 155614 + ... + 325543.

It is an arithmetic number, because the mean of its divisors is an integer number (6132599289).

Almost surely, 2^40881504505 is an apocalyptic number.

It is an amenable number.

40881504505 is a deficient number, since it is larger than the sum of its proper divisors (8179289807).

40881504505 is a wasteful number, since it uses less digits than its factorization.

40881504505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498155.

The product of its (nonzero) digits is 128000, while the sum is 40.

The spelling of 40881504505 in words is "forty billion, eight hundred eighty-one million, five hundred four thousand, five hundred five".