1240434654632 has 32 divisors (see below), whose sum is σ = 2388821436000. Its totient is φ = 603417662784.

The previous prime is 1240434654601. The next prime is 1240434654643. The reversal of 1240434654632 is 2364564340421.

It is a happy number.

It is a super-3 number, since 3×1240434654632³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055119 + ... + 5294817.

It is an arithmetic number, because the mean of its divisors is an integer number (74650669875).

Almost surely, 2^{1240434654632} is an apocalyptic number.

It is an amenable number.

1240434654632 is a deficient number, since it is larger than the sum of its proper divisors (1148386781368).

1240434654632 is a wasteful number, since it uses less digits than its factorization.

1240434654632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257225 (or 257221 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 1240434654632 in words is "one trillion, two hundred forty billion, four hundred thirty-four million, six hundred fifty-four thousand, six hundred thirty-two".