126427865340 has 48 divisors (see below), whose sum is σ = 404569170432. Its totient is φ = 28897797696.

The previous prime is 126427865339. The next prime is 126427865341. The reversal of 126427865340 is 43568724621.

It is an interprime number because it is at equal distance from previous prime (126427865339) and next prime (126427865341).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 126427865340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126427865341) 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, 150508944 + ... + 150509783.

It is an arithmetic number, because the mean of its divisors is an integer number (8428524384).

Almost surely, 2^126427865340 is an apocalyptic number.

126427865340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126427865340 is an abundant number, since it is smaller than the sum of its proper divisors (278141305092).

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

126427865340 is a wasteful number, since it uses less digits than its factorization.

126427865340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301018746 (or 301018744 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 126427865340 in words is "one hundred twenty-six billion, four hundred twenty-seven million, eight hundred sixty-five thousand, three hundred forty".