140454204500 has 72 divisors (see below), whose sum is σ = 309130359720. Its totient is φ = 55749408000.

The previous prime is 140454204487. The next prime is 140454204529. The reversal of 140454204500 is 5402454041.

It can be written as a sum of positive squares in 4 ways, for example, as 12929509264 + 127524695236 = 113708^2 + 357106^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8572316 + ... + 8588684.

Almost surely, 2^140454204500 is an apocalyptic number.

140454204500 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 140454204500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154565179860).

140454204500 is an abundant number, since it is smaller than the sum of its proper divisors (168676155220).

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

140454204500 is a wasteful number, since it uses less digits than its factorization.

140454204500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16650 (or 16507 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 140454204500 its reverse (5402454041), we get a palindrome (145856658541).

The spelling of 140454204500 in words is "one hundred forty billion, four hundred fifty-four million, two hundred four thousand, five hundred".