2142420441402 has 16 divisors (see below), whose sum is σ = 4300769662560. Its totient is φ = 711485350512.

The previous prime is 2142420441397. The next prime is 2142420441407. The reversal of 2142420441402 is 2041440242412.

It is an interprime number because it is at equal distance from previous prime (2142420441397) and next prime (2142420441407).

It is a self number, because there is not a number n which added to its sum of digits gives 2142420441402.

It is not an unprimeable number, because it can be changed into a prime (2142420441407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663697408 + ... + 663700635.

It is an arithmetic number, because the mean of its divisors is an integer number (268798103910).

Almost surely, 2^{2142420441402} is an apocalyptic number.

2142420441402 is an abundant number, since it is smaller than the sum of its proper divisors (2158349221158).

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

2142420441402 is a wasteful number, since it uses less digits than its factorization.

2142420441402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327398317.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 2142420441402 its reverse (2041440242412), we get a palindrome (4183860683814).

The spelling of 2142420441402 in words is "two trillion, one hundred forty-two billion, four hundred twenty million, four hundred forty-one thousand, four hundred two".