40085225616 has 80 divisors (see below), whose sum is σ = 109944463104. Its totient is φ = 12541396992.

The previous prime is 40085225603. The next prime is 40085225629. The reversal of 40085225616 is 61652258004.

It is an interprime number because it is at equal distance from previous prime (40085225603) and next prime (40085225629).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232546 + ... + 366398.

Almost surely, 2^40085225616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40085225616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54972231552).

40085225616 is an abundant number, since it is smaller than the sum of its proper divisors (69859237488).

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

40085225616 is a wasteful number, since it uses less digits than its factorization.

40085225616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134248 (or 134242 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 40085225616 in words is "forty billion, eighty-five million, two hundred twenty-five thousand, six hundred sixteen".