40402051442445 has 64 divisors (see below), whose sum is σ = 80673315932160. Its totient is φ = 16773985056000.

The previous prime is 40402051442387. The next prime is 40402051442447. The reversal of 40402051442445 is 54424415020404.

It is not a de Polignac number, because 40402051442445 - 2¹¹ = 40402051440397 is a prime.

It is a super-3 number, since 3×40402051442445³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402051442447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15987006 + ... + 18340895.

It is an arithmetic number, because the mean of its divisors is an integer number (1260520561440).

Almost surely, 2^{40402051442445} is an apocalyptic number.

It is an amenable number.

40402051442445 is a deficient number, since it is larger than the sum of its proper divisors (40271264489715).

40402051442445 is a wasteful number, since it uses less digits than its factorization.

40402051442445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34328946.

The product of its (nonzero) digits is 409600, while the sum is 39.

Adding to 40402051442445 its reverse (54424415020404), we get a palindrome (94826466462849).

The spelling of 40402051442445 in words is "forty trillion, four hundred two billion, fifty-one million, four hundred forty-two thousand, four hundred forty-five".