1214042557740 has 96 divisors (see below), whose sum is σ = 3491724305664. Its totient is φ = 314946858240.

The previous prime is 1214042557723. The next prime is 1214042557769. The reversal of 1214042557740 is 477552404121.

It is a junction number, because it is equal to n+sod(n) for n = 1214042557692 and 1214042557701.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15917095 + ... + 15993185.

It is an arithmetic number, because the mean of its divisors is an integer number (36372128184).

Almost surely, 2^{1214042557740} is an apocalyptic number.

1214042557740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214042557740 is an abundant number, since it is smaller than the sum of its proper divisors (2277681747924).

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

1214042557740 is a wasteful number, since it uses less digits than its factorization.

1214042557740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83327 (or 83325 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The spelling of 1214042557740 in words is "one trillion, two hundred fourteen billion, forty-two million, five hundred fifty-seven thousand, seven hundred forty".