40188420783260 has 96 divisors (see below), whose sum is σ = 86511563550720. Its totient is φ = 15673692206592.

The previous prime is 40188420783233. The next prime is 40188420783311. The reversal of 40188420783260 is 6238702488104.

It is a super-4 number, since 4×40188420783260⁴ (a number of 56 digits) contains 4444 as substring.

It is a congruent number.

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, 1315352144 + ... + 1315382696.

It is an arithmetic number, because the mean of its divisors is an integer number (901162120320).

Almost surely, 2^{40188420783260} 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 40188420783260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43255781775360).

40188420783260 is an abundant number, since it is smaller than the sum of its proper divisors (46323142767460).

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

40188420783260 is a wasteful number, since it uses less digits than its factorization.

40188420783260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33267 (or 33265 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 40188420783260 in words is "forty trillion, one hundred eighty-eight billion, four hundred twenty million, seven hundred eighty-three thousand, two hundred sixty".