1214878611240 has 1024 divisors, whose sum is σ = 5042928844800. Its totient is φ = 253808640000.

The previous prime is 1214878611179. The next prime is 1214878611253. The reversal of 1214878611240 is 421168784121.

1214878611240 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 8 + 7 + 8 + 611 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1617680865 + ... + 1617681615.

It is an arithmetic number, because the mean of its divisors is an integer number (4924735200).

Almost surely, 2^{1214878611240} is an apocalyptic number.

1214878611240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214878611240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2521464422400).

1214878611240 is an abundant number, since it is smaller than the sum of its proper divisors (3828050233560).

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

1214878611240 is a wasteful number, since it uses less digits than its factorization.

1214878611240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 1214878611240 in words is "one trillion, two hundred fourteen billion, eight hundred seventy-eight million, six hundred eleven thousand, two hundred forty".