40085814004 has 12 divisors (see below), whose sum is σ = 70153344324. Its totient is φ = 20042001344.

The previous prime is 40085813987. The next prime is 40085814029. The reversal of 40085814004 is 40041858004.

It can be written as a sum of positive squares in 2 ways, for example, as 12712111504 + 27373702500 = 112748^2 + 165450^2 .

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, 121417 + ... + 308080.

It is an arithmetic number, because the mean of its divisors is an integer number (5846112027).

Almost surely, 2^40085814004 is an apocalyptic number.

It is an amenable number.

40085814004 is a deficient number, since it is larger than the sum of its proper divisors (30067530320).

40085814004 is a wasteful number, since it uses less digits than its factorization.

40085814004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452834 (or 452832 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The spelling of 40085814004 in words is "forty billion, eighty-five million, eight hundred fourteen thousand, four".