40884646288426 has 8 divisors (see below), whose sum is σ = 61774611545700. Its totient is φ = 20293109106528.

The previous prime is 40884646288411. The next prime is 40884646288427. The reversal of 40884646288426 is 62488264648804.

It can be written as a sum of positive squares in 2 ways, for example, as 37380445742025 + 3504200546401 = 6113955^2 + 1871951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40884646288427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74607018501 + ... + 74607019048.

Almost surely, 2^{40884646288426} is an apocalyptic number.

40884646288426 is a deficient number, since it is larger than the sum of its proper divisors (20889965257274).

40884646288426 is a wasteful number, since it uses less digits than its factorization.

40884646288426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149214037688.

The product of its (nonzero) digits is 905969664, while the sum is 70.

The spelling of 40884646288426 in words is "forty trillion, eight hundred eighty-four billion, six hundred forty-six million, two hundred eighty-eight thousand, four hundred twenty-six".