40644525151 has 8 divisors (see below), whose sum is σ = 41527127808. Its totient is φ = 39768900000.

The previous prime is 40644525139. The next prime is 40644525211. The reversal of 40644525151 is 15152544604.

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 40644525151 - 2⁹ = 40644524639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40644525151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40644525451) 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, 1732600 + ... + 1755901.

It is an arithmetic number, because the mean of its divisors is an integer number (5190890976).

Almost surely, 2^40644525151 is an apocalyptic number.

40644525151 is a deficient number, since it is larger than the sum of its proper divisors (882602657).

40644525151 is a wasteful number, since it uses less digits than its factorization.

40644525151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488753.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 40644525151 in words is "forty billion, six hundred forty-four million, five hundred twenty-five thousand, one hundred fifty-one".