40402033402555 has 16 divisors (see below), whose sum is σ = 53163975762144. Its totient is φ = 29231051950080.

The previous prime is 40402033402553. The next prime is 40402033402649. The reversal of 40402033402555 is 55520433020404.

It is not a de Polignac number, because 40402033402555 - 2¹ = 40402033402553 is a prime.

It is a super-2 number, since 2×40402033402555² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40402033402553) 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, 1903052664 + ... + 1903073893.

It is an arithmetic number, because the mean of its divisors is an integer number (3322748485134).

Almost surely, 2^{40402033402555} is an apocalyptic number.

40402033402555 is a deficient number, since it is larger than the sum of its proper divisors (12761942359589).

40402033402555 is a wasteful number, since it uses less digits than its factorization.

40402033402555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806126766.

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 40402033402555 its reverse (55520433020404), we get a palindrome (95922466422959).

The spelling of 40402033402555 in words is "forty trillion, four hundred two billion, thirty-three million, four hundred two thousand, five hundred fifty-five".