27401035378 has 16 divisors (see below), whose sum is σ = 41586018840. Its totient is φ = 13539197056.

The previous prime is 27401035369. The next prime is 27401035393. The reversal of 27401035378 is 87353010472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10984507249 + 16416528129 = 104807^2 + 128127^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27401035378.

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, 293100 + ... + 375112.

Almost surely, 2^27401035378 is an apocalyptic number.

27401035378 is a deficient number, since it is larger than the sum of its proper divisors (14184983462).

27401035378 is a wasteful number, since it uses less digits than its factorization.

27401035378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83981.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 27401035378 in words is "twenty-seven billion, four hundred one million, thirty-five thousand, three hundred seventy-eight".