402154314530554 has 8 divisors (see below), whose sum is σ = 624032557030260. Its totient is φ = 194143462187136.

The previous prime is 402154314530539. The next prime is 402154314530593. The reversal of 402154314530554 is 455035413451204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 383987343404025 + 18166971126529 = 19595595^2 + 4262273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×402154314530554² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466847538999 + ... + 3466847539114.

Almost surely, 2^{402154314530554} is an apocalyptic number.

402154314530554 is a deficient number, since it is larger than the sum of its proper divisors (221878242499706).

402154314530554 is a wasteful number, since it uses less digits than its factorization.

402154314530554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933695078144.

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 402154314530554 its reverse (455035413451204), we get a palindrome (857189727981758).

The spelling of 402154314530554 in words is "four hundred two trillion, one hundred fifty-four billion, three hundred fourteen million, five hundred thirty thousand, five hundred fifty-four".