1400240663194 has 4 divisors (see below), whose sum is σ = 2100360994794. Its totient is φ = 700120331596.

The previous prime is 1400240663189. The next prime is 1400240663201. The reversal of 1400240663194 is 4913660420041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1185235029225 + 215005633969 = 1088685^2 + 463687^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350060165797 + ... + 350060165800.

Almost surely, 2^{1400240663194} is an apocalyptic number.

1400240663194 is a deficient number, since it is larger than the sum of its proper divisors (700120331600).

1400240663194 is an equidigital number, since it uses as much as digits as its factorization.

1400240663194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700120331599.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 1400240663194 in words is "one trillion, four hundred billion, two hundred forty million, six hundred sixty-three thousand, one hundred ninety-four".