140223433442440 has 64 divisors (see below), whose sum is σ = 345581078410800. Its totient is φ = 50969653690368.

The previous prime is 140223433442413. The next prime is 140223433442441. The reversal of 140223433442440 is 44244334322041.

It can be written as a sum of positive squares in 8 ways, for example, as 95877663057796 + 44345770384644 = 9791714^2 + 6659262^2 .

It is a super-2 number, since 2×140223433442440² (a number of 29 digits) contains 22 as substring.

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 = 140223433442393 and 140223433442402.

It is not an unprimeable number, because it can be changed into a prime (140223433442441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555341169 + ... + 3555380608.

Almost surely, 2^{140223433442440} is an apocalyptic number.

140223433442440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140223433442440 is an abundant number, since it is smaller than the sum of its proper divisors (205357644968360).

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

140223433442440 is a wasteful number, since it uses less digits than its factorization.

140223433442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110721834 (or 7110721830 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 140223433442440 its reverse (44244334322041), we get a palindrome (184467767764481).

The spelling of 140223433442440 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred thirty-three million, four hundred forty-two thousand, four hundred forty".