140000250280 has 128 divisors (see below), whose sum is σ = 367940880000. Its totient is φ = 47375933440.

The previous prime is 140000250259. The next prime is 140000250307. The reversal of 140000250280 is 82052000041.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 560571 + ... + 770869.

It is an arithmetic number, because the mean of its divisors is an integer number (2874538125).

Almost surely, 2^140000250280 is an apocalyptic number.

140000250280 is a gapful number since it is divisible by the number (10) 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 140000250280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183970440000).

140000250280 is an abundant number, since it is smaller than the sum of its proper divisors (227940629720).

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

140000250280 is a wasteful number, since it uses less digits than its factorization.

140000250280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210427 (or 210423 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The spelling of 140000250280 in words is "one hundred forty billion, two hundred fifty thousand, two hundred eighty".