402040024555 has 16 divisors (see below), whose sum is σ = 521828254080. Its totient is φ = 295594616448.

The previous prime is 402040024543. The next prime is 402040024571. The reversal of 402040024555 is 555420040204.

It is a cyclic number.

It is not a de Polignac number, because 402040024555 - 2⁷ = 402040024427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13489987 + ... + 13519756.

It is an arithmetic number, because the mean of its divisors is an integer number (32614265880).

Almost surely, 2^402040024555 is an apocalyptic number.

402040024555 is a deficient number, since it is larger than the sum of its proper divisors (119788229525).

402040024555 is a wasteful number, since it uses less digits than its factorization.

402040024555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27009990.

The product of its (nonzero) digits is 32000, while the sum is 31.

Adding to 402040024555 its reverse (555420040204), we get a palindrome (957460064759).

The spelling of 402040024555 in words is "four hundred two billion, forty million, twenty-four thousand, five hundred fifty-five".