40261585072 has 20 divisors (see below), whose sum is σ = 78735860136. Its totient is φ = 19942653440.

The previous prime is 40261585019. The next prime is 40261585159. The reversal of 40261585072 is 27058516204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11756929 + ... + 11760352.

Almost surely, 2^40261585072 is an apocalyptic number.

It is an amenable number.

40261585072 is a deficient number, since it is larger than the sum of its proper divisors (38474275064).

40261585072 is a wasteful number, since it uses less digits than its factorization.

40261585072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23517396 (or 23517390 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 40261585072 in words is "forty billion, two hundred sixty-one million, five hundred eighty-five thousand, seventy-two".