140288850 has 72 divisors (see below), whose sum is σ = 405919332. Its totient is φ = 34531200.

The previous prime is 140288803. The next prime is 140288861. The reversal of 140288850 is 58882041.

140288850 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 6 ways, for example, as 505521 + 139783329 = 711^2 + 11823^2 .

It is a super-2 number, since 2×140288850² = 39361922868645000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6141 + ... + 17840.

Almost surely, 2^140288850 is an apocalyptic number.

140288850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140288850 is an abundant number, since it is smaller than the sum of its proper divisors (265630482).

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

140288850 is a wasteful number, since it uses less digits than its factorization.

140288850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24012 (or 24004 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 140288850 is about 11844.3594170390. The cubic root of 140288850 is about 519.6062724700.

The spelling of 140288850 in words is "one hundred forty million, two hundred eighty-eight thousand, eight hundred fifty".