1003223502540 has 144 divisors (see below), whose sum is σ = 3606650541312. Its totient is φ = 229308221376.

The previous prime is 1003223502527. The next prime is 1003223502557. The reversal of 1003223502540 is 452053223001.

It is a happy number.

1003223502540 is a `hidden beast` number, since 100 + 3 + 2 + 2 + 3 + 502 + 54 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14710594 + ... + 14778633.

Almost surely, 2^{1003223502540} is an apocalyptic number.

1003223502540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003223502540 is an abundant number, since it is smaller than the sum of its proper divisors (2603427038772).

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

1003223502540 is a wasteful number, since it uses less digits than its factorization.

1003223502540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29489258 (or 29489244 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 1003223502540 its reverse (452053223001), we get a palindrome (1455276725541).

The spelling of 1003223502540 in words is "one trillion, three billion, two hundred twenty-three million, five hundred two thousand, five hundred forty".