402120140214 has 32 divisors (see below), whose sum is σ = 911689390080. Its totient is φ = 117217206432.

The previous prime is 402120140207. The next prime is 402120140321. The reversal of 402120140214 is 412041021204.

It is a congruent number.

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, 135666582 + ... + 135669545.

It is an arithmetic number, because the mean of its divisors is an integer number (28490293440).

Almost surely, 2^402120140214 is an apocalyptic number.

402120140214 is an abundant number, since it is smaller than the sum of its proper divisors (509569249866).

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

402120140214 is a wasteful number, since it uses less digits than its factorization.

402120140214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271336164.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 402120140214 its reverse (412041021204), we get a palindrome (814161161418).

The spelling of 402120140214 in words is "four hundred two billion, one hundred twenty million, one hundred forty thousand, two hundred fourteen".