40810814394252 has 96 divisors (see below), whose sum is σ = 111136404288000. Its totient is φ = 11651142920256.

The previous prime is 40810814394241. The next prime is 40810814394293. The reversal of 40810814394252 is 25249341801804.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40810814394195 and 40810814394204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1416774 + ... + 9144882.

It is an arithmetic number, because the mean of its divisors is an integer number (1157670878000).

Almost surely, 2^{40810814394252} is an apocalyptic number.

40810814394252 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40810814394252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55568202144000).

40810814394252 is an abundant number, since it is smaller than the sum of its proper divisors (70325589893748).

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

40810814394252 is a wasteful number, since it uses less digits than its factorization.

40810814394252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729420 (or 7729404 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 40810814394252 in words is "forty trillion, eight hundred ten billion, eight hundred fourteen million, three hundred ninety-four thousand, two hundred fifty-two".