40272032991 has 4 divisors (see below), whose sum is σ = 53696043992. Its totient is φ = 26848021992.

The previous prime is 40272032959. The next prime is 40272033119. The reversal of 40272032991 is 19923027204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40272032991 - 2⁵ = 40272032959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40272030991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6712005496 + ... + 6712005501.

It is an arithmetic number, because the mean of its divisors is an integer number (13424010998).

Almost surely, 2^40272032991 is an apocalyptic number.

40272032991 is a deficient number, since it is larger than the sum of its proper divisors (13424011001).

40272032991 is a wasteful number, since it uses less digits than its factorization.

40272032991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13424011000.

The product of its (nonzero) digits is 54432, while the sum is 39.

It can be divided in two parts, 402720 and 32991, that added together give a triangular number (435711 = T₉₃₃).

The spelling of 40272032991 in words is "forty billion, two hundred seventy-two million, thirty-two thousand, nine hundred ninety-one".