1455404044040 has 16 divisors (see below), whose sum is σ = 3274659099180. Its totient is φ = 582161617600.

The previous prime is 1455404044009. The next prime is 1455404044057. The reversal of 1455404044040 is 404404045541.

It can be written as a sum of positive squares in 2 ways, for example, as 1299677521156 + 155726522884 = 1140034^2 + 394622^2 .

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, 18192550511 + ... + 18192550590.

Almost surely, 2^{1455404044040} is an apocalyptic number.

1455404044040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455404044040 is an abundant number, since it is smaller than the sum of its proper divisors (1819255055140).

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

1455404044040 is a wasteful number, since it uses less digits than its factorization.

1455404044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36385101112 (or 36385101108 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 1455404044040 its reverse (404404045541), we get a palindrome (1859808089581).

The spelling of 1455404044040 in words is "one trillion, four hundred fifty-five billion, four hundred four million, forty-four thousand, forty".