140220040451 has 16 divisors (see below), whose sum is σ = 152374816800. Its totient is φ = 128579954688.

The previous prime is 140220040357. The next prime is 140220040531. The reversal of 140220040451 is 154040022041.

It is a cyclic number.

It is not a de Polignac number, because 140220040451 - 2²⁶ = 140152931587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140220043451) 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, 381056 + ... + 652413.

It is an arithmetic number, because the mean of its divisors is an integer number (9523426050).

Almost surely, 2^140220040451 is an apocalyptic number.

140220040451 is a deficient number, since it is larger than the sum of its proper divisors (12154776349).

140220040451 is a wasteful number, since it uses less digits than its factorization.

140220040451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033718.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 140220040451 its reverse (154040022041), we get a palindrome (294260062492).

The spelling of 140220040451 in words is "one hundred forty billion, two hundred twenty million, forty thousand, four hundred fifty-one".