1240275877634 has 32 divisors (see below), whose sum is σ = 1954450480896. Its totient is φ = 589158820800.

The previous prime is 1240275877627. The next prime is 1240275877637. The reversal of 1240275877634 is 4367785720421.

It is a self number, because there is not a number n which added to its sum of digits gives 1240275877634.

It is not an unprimeable number, because it can be changed into a prime (1240275877637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88603124 + ... + 88617120.

It is an arithmetic number, because the mean of its divisors is an integer number (61076577528).

Almost surely, 2^{1240275877634} is an apocalyptic number.

1240275877634 is a deficient number, since it is larger than the sum of its proper divisors (714174603262).

1240275877634 is a wasteful number, since it uses less digits than its factorization.

1240275877634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26930.

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 1240275877634 in words is "one trillion, two hundred forty billion, two hundred seventy-five million, eight hundred seventy-seven thousand, six hundred thirty-four".