1012454401544 has 16 divisors (see below), whose sum is σ = 1903086053820. Its totient is φ = 504964787200.

The previous prime is 1012454401507. The next prime is 1012454401589. The reversal of 1012454401544 is 4451044542101.

It can be written as a sum of positive squares in 2 ways, for example, as 1009201068100 + 3253333444 = 1004590^2 + 57038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157798289 + ... + 157804704.

Almost surely, 2^{1012454401544} is an apocalyptic number.

It is an amenable number.

1012454401544 is a deficient number, since it is larger than the sum of its proper divisors (890631652276).

1012454401544 is a wasteful number, since it uses less digits than its factorization.

1012454401544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315603400 (or 315603396 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 1012454401544 its reverse (4451044542101), we get a palindrome (5463498943645).

The spelling of 1012454401544 in words is "one trillion, twelve billion, four hundred fifty-four million, four hundred one thousand, five hundred forty-four".