2126340405462 has 32 divisors (see below), whose sum is σ = 5234068691712. Its totient is φ = 560793073824.

The previous prime is 2126340405457. The next prime is 2126340405467. The reversal of 2126340405462 is 2645040436212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2126340405457) and next prime (2126340405467).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2126340405462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126340405467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947197628 + ... + 1947198719.

It is an arithmetic number, because the mean of its divisors is an integer number (163564646616).

Almost surely, 2^{2126340405462} is an apocalyptic number.

2126340405462 is an abundant number, since it is smaller than the sum of its proper divisors (3107728286250).

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

2126340405462 is a wasteful number, since it uses less digits than its factorization.

2126340405462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894396372.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 2126340405462 in words is "two trillion, one hundred twenty-six billion, three hundred forty million, four hundred five thousand, four hundred sixty-two".