2001402155334 has 16 divisors (see below), whose sum is σ = 4007496940272. Its totient is φ = 666351946848.

The previous prime is 2001402155309. The next prime is 2001402155369. The reversal of 2001402155334 is 4335512041002.

It is a super-3 number, since 3×2001402155334³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195520689 + ... + 195530924.

It is an arithmetic number, because the mean of its divisors is an integer number (250468558767).

Almost surely, 2^{2001402155334} is an apocalyptic number.

2001402155334 is an abundant number, since it is smaller than the sum of its proper divisors (2006094784938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001402155334 is a wasteful number, since it uses less digits than its factorization.

2001402155334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391052471.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2001402155334 its reverse (4335512041002), we get a palindrome (6336914196336).

The spelling of 2001402155334 in words is "two trillion, one billion, four hundred two million, one hundred fifty-five thousand, three hundred thirty-four".