40343025451 has 4 divisors (see below), whose sum is σ = 42466342600. Its totient is φ = 38219708304.

The previous prime is 40343025377. The next prime is 40343025479. The reversal of 40343025451 is 15452034304.

40343025451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40343025451 - 2²⁵ = 40309471019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40343035451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061658546 + ... + 1061658583.

It is an arithmetic number, because the mean of its divisors is an integer number (10616585650).

Almost surely, 2^40343025451 is an apocalyptic number.

40343025451 is a deficient number, since it is larger than the sum of its proper divisors (2123317149).

40343025451 is a wasteful number, since it uses less digits than its factorization.

40343025451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123317148.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40343025451 its reverse (15452034304), we get a palindrome (55795059755).

The spelling of 40343025451 in words is "forty billion, three hundred forty-three million, twenty-five thousand, four hundred fifty-one".