270278464140 has 144 divisors (see below), whose sum is σ = 839696457600. Its totient is φ = 70337871360.

The previous prime is 270278464121. The next prime is 270278464193. The reversal of 270278464140 is 41464872072.

270278464140 is a `hidden beast` number, since 27 + 0 + 27 + 8 + 464 + 140 = 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 47 ways as a sum of consecutive naturals, for example, 2906770 + ... + 2998310.

It is an arithmetic number, because the mean of its divisors is an integer number (5831225400).

Almost surely, 2^270278464140 is an apocalyptic number.

270278464140 is a gapful number since it is divisible by the number (20) 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 270278464140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419848228800).

270278464140 is an abundant number, since it is smaller than the sum of its proper divisors (569417993460).

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

270278464140 is a wasteful number, since it uses less digits than its factorization.

270278464140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91952 (or 91947 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 270278464140 in words is "two hundred seventy billion, two hundred seventy-eight million, four hundred sixty-four thousand, one hundred forty".