1040447474438 has 16 divisors (see below), whose sum is σ = 1654047746064. Its totient is φ = 489156460800.

The previous prime is 1040447474369. The next prime is 1040447474441. The reversal of 1040447474438 is 8344747440401.

It is a congruent number.

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, 14522495 + ... + 14593962.

It is an arithmetic number, because the mean of its divisors is an integer number (103377984129).

Almost surely, 2^{1040447474438} is an apocalyptic number.

1040447474438 is a deficient number, since it is larger than the sum of its proper divisors (613600271626).

1040447474438 is a wasteful number, since it uses less digits than its factorization.

1040447474438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29117527.

The product of its (nonzero) digits is 4816896, while the sum is 50.

The spelling of 1040447474438 in words is "one trillion, forty billion, four hundred forty-seven million, four hundred seventy-four thousand, four hundred thirty-eight".