40187271615 has 32 divisors (see below), whose sum is σ = 64792659456. Its totient is φ = 21269301120.

The previous prime is 40187271581. The next prime is 40187271643. The reversal of 40187271615 is 51617278104.

It is not a de Polignac number, because 40187271615 - 2¹¹ = 40187269567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1522480 + ... + 1548650.

It is an arithmetic number, because the mean of its divisors is an integer number (2024770608).

Almost surely, 2^40187271615 is an apocalyptic number.

40187271615 is a deficient number, since it is larger than the sum of its proper divisors (24605387841).

40187271615 is a wasteful number, since it uses less digits than its factorization.

40187271615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26959.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 40187271615 in words is "forty billion, one hundred eighty-seven million, two hundred seventy-one thousand, six hundred fifteen".