40017255000 has 160 divisors (see below), whose sum is σ = 126125564400. Its totient is φ = 10576384000.

The previous prime is 40017254987. The next prime is 40017255011. The reversal of 40017255000 is 55271004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1683196 + ... + 1706804.

Almost surely, 2^40017255000 is an apocalyptic number.

40017255000 is a gapful number since it is divisible by the number (40) 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 40017255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63062782200).

40017255000 is an abundant number, since it is smaller than the sum of its proper divisors (86108309400).

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

40017255000 is a wasteful number, since it uses less digits than its factorization.

40017255000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23751 (or 23732 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The spelling of 40017255000 in words is "forty billion, seventeen million, two hundred fifty-five thousand".