1013440445478 has 40 divisors (see below), whose sum is σ = 2292904490448. Its totient is φ = 334533733776.

The previous prime is 1013440445473. The next prime is 1013440445483. The reversal of 1013440445478 is 8745440443101.

1013440445478 is a `hidden beast` number, since 1 + 0 + 134 + 4 + 0 + 4 + 45 + 478 = 666.

It is an interprime number because it is at equal distance from previous prime (1013440445473) and next prime (1013440445483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013440445473) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30351301 + ... + 30384672.

Almost surely, 2^{1013440445478} is an apocalyptic number.

1013440445478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1013440445478 is an abundant number, since it is smaller than the sum of its proper divisors (1279464044970).

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

1013440445478 is a wasteful number, since it uses less digits than its factorization.

1013440445478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60736090 (or 60736081 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

Adding to 1013440445478 its reverse (8745440443101), we get a palindrome (9758880888579).

The spelling of 1013440445478 in words is "one trillion, thirteen billion, four hundred forty million, four hundred forty-five thousand, four hundred seventy-eight".