140403233240 has 32 divisors (see below), whose sum is σ = 334490057280. Its totient is φ = 52857687552.

The previous prime is 140403233239. The next prime is 140403233263. The reversal of 140403233240 is 42332304041.

It is a super-3 number, since 3×140403233240³ (a number of 34 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 103236992 + ... + 103238351.

It is an arithmetic number, because the mean of its divisors is an integer number (10452814290).

Almost surely, 2^140403233240 is an apocalyptic number.

140403233240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140403233240 is an abundant number, since it is smaller than the sum of its proper divisors (194086824040).

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

140403233240 is a wasteful number, since it uses less digits than its factorization.

140403233240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206475371 (or 206475367 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 140403233240 its reverse (42332304041), we get a palindrome (182735537281).

The spelling of 140403233240 in words is "one hundred forty billion, four hundred three million, two hundred thirty-three thousand, two hundred forty".