1240168435954 has 32 divisors (see below), whose sum is σ = 2206819883520. Its totient is φ = 511421652672.

The previous prime is 1240168435937. The next prime is 1240168435999. The reversal of 1240168435954 is 4595348610421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5093674 + ... + 5331589.

It is an arithmetic number, because the mean of its divisors is an integer number (68963121360).

Almost surely, 2^{1240168435954} is an apocalyptic number.

1240168435954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1240168435954 is a deficient number, since it is larger than the sum of its proper divisors (966651447566).

1240168435954 is a wasteful number, since it uses less digits than its factorization.

1240168435954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425594.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 1240168435954 in words is "one trillion, two hundred forty billion, one hundred sixty-eight million, four hundred thirty-five thousand, nine hundred fifty-four".