40444501632451 has 12 divisors (see below), whose sum is σ = 47051115236280. Its totient is φ = 34664188564320.

The previous prime is 40444501632439. The next prime is 40444501632467. The reversal of 40444501632451 is 15423610544404.

It is not a de Polignac number, because 40444501632451 - 2¹⁷ = 40444501501379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40444501632398 and 40444501632407.

It is not an unprimeable number, because it can be changed into a prime (40444501642451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29405581 + ... + 30750238.

It is an arithmetic number, because the mean of its divisors is an integer number (3920926269690).

Almost surely, 2^{40444501632451} is an apocalyptic number.

40444501632451 is a deficient number, since it is larger than the sum of its proper divisors (6606613603829).

40444501632451 is a wasteful number, since it uses less digits than its factorization.

40444501632451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60169554 (or 60169547 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 43.

The spelling of 40444501632451 in words is "forty trillion, four hundred forty-four billion, five hundred one million, six hundred thirty-two thousand, four hundred fifty-one".