1011003774440 has 64 divisors (see below), whose sum is σ = 2481769100160. Its totient is φ = 367605976320.

The previous prime is 1011003774427. The next prime is 1011003774463. The reversal of 1011003774440 is 444773001101.

1011003774440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1011003774397 and 1011003774406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5337842 + ... + 5523998.

It is an arithmetic number, because the mean of its divisors is an integer number (38777642190).

Almost surely, 2^{1011003774440} is an apocalyptic number.

1011003774440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011003774440 is an abundant number, since it is smaller than the sum of its proper divisors (1470765325720).

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

1011003774440 is a wasteful number, since it uses less digits than its factorization.

1011003774440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198522 (or 198518 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 1011003774440 its reverse (444773001101), we get a palindrome (1455776775541).

The spelling of 1011003774440 in words is "one trillion, eleven billion, three million, seven hundred seventy-four thousand, four hundred forty".