40444400137606 has 8 divisors (see below), whose sum is σ = 60667107391800. Its totient is φ = 20222031007008.

The previous prime is 40444400137597. The next prime is 40444400137613. The reversal of 40444400137606 is 60673100444404.

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

It is a super-2 number, since 2×40444400137606² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84231651 + ... + 84710446.

It is an arithmetic number, because the mean of its divisors is an integer number (7583388423975).

Almost surely, 2^{40444400137606} is an apocalyptic number.

40444400137606 is a deficient number, since it is larger than the sum of its proper divisors (20222707254194).

40444400137606 is a wasteful number, since it uses less digits than its factorization.

40444400137606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169061798.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 40444400137606 in words is "forty trillion, four hundred forty-four billion, four hundred million, one hundred thirty-seven thousand, six hundred six".