40481653505 has 8 divisors (see below), whose sum is σ = 48584898600. Its totient is φ = 32380713216.

The previous prime is 40481653501. The next prime is 40481653507. The reversal of 40481653505 is 50535618404.

It can be written as a sum of positive squares in 4 ways, for example, as 1302993409 + 39178660096 = 36097^2 + 197936^2 .

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 40481653505 - 2² = 40481653501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40481653501) 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, 537320 + ... + 608009.

It is an arithmetic number, because the mean of its divisors is an integer number (6073112325).

Almost surely, 2^40481653505 is an apocalyptic number.

It is an amenable number.

40481653505 is a deficient number, since it is larger than the sum of its proper divisors (8103245095).

40481653505 is a wasteful number, since it uses less digits than its factorization.

40481653505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152403.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 40481653505 in words is "forty billion, four hundred eighty-one million, six hundred fifty-three thousand, five hundred five".