1240434426711 has 16 divisors (see below), whose sum is σ = 1751377261824. Its totient is φ = 778233700224.

The previous prime is 1240434426691. The next prime is 1240434426713. The reversal of 1240434426711 is 1176244340421.

It is not a de Polignac number, because 1240434426711 - 2¹³ = 1240434418519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240434426711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240434426713) 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, 704905 + ... + 1725618.

It is an arithmetic number, because the mean of its divisors is an integer number (109461078864).

Almost surely, 2^{1240434426711} is an apocalyptic number.

1240434426711 is a deficient number, since it is larger than the sum of its proper divisors (510942835113).

1240434426711 is a wasteful number, since it uses less digits than its factorization.

1240434426711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440550.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 1240434426711 in words is "one trillion, two hundred forty billion, four hundred thirty-four million, four hundred twenty-six thousand, seven hundred eleven".