250002040878040 has 192 divisors, whose sum is σ = 627244287626880. Its totient is φ = 89595196416000.

The previous prime is 250002040878001. The next prime is 250002040878041. The reversal of 250002040878040 is 40878040200052.

250002040878040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 250002040877984 and 250002040878002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250002040878041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 457983265 + ... + 458528815.

It is an arithmetic number, because the mean of its divisors is an integer number (3266897331390).

Almost surely, 2^{250002040878040} is an apocalyptic number.

250002040878040 is a gapful number since it is divisible by the number (20) 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 250002040878040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313622143813440).

250002040878040 is an abundant number, since it is smaller than the sum of its proper divisors (377242246748840).

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

250002040878040 is a wasteful number, since it uses less digits than its factorization.

250002040878040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546954 (or 546939 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The spelling of 250002040878040 in words is "two hundred fifty trillion, two billion, forty million, eight hundred seventy-eight thousand, forty".