40244878140846 has 8 divisors (see below), whose sum is σ = 80489756281704. Its totient is φ = 13414959380280.

The previous prime is 40244878140781. The next prime is 40244878140851. The reversal of 40244878140846 is 64804187844204.

It is a happy number.

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

40244878140846 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40244878140846.

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, 3353739845065 + ... + 3353739845076.

It is an arithmetic number, because the mean of its divisors is an integer number (10061219535213).

Almost surely, 2^{40244878140846} is an apocalyptic number.

40244878140846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40244878140846 is a wasteful number, since it uses less digits than its factorization.

40244878140846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707479690146.

The product of its (nonzero) digits is 44040192, while the sum is 60.

The spelling of 40244878140846 in words is "forty trillion, two hundred forty-four billion, eight hundred seventy-eight million, one hundred forty thousand, eight hundred forty-six".