1005540001330 has 32 divisors (see below), whose sum is σ = 1866574212480. Its totient is φ = 389829767040.

The previous prime is 1005540001309. The next prime is 1005540001393. The reversal of 1005540001330 is 331000455001.

It is a happy number.

It is a super-2 number, since 2×1005540001330² (a number of 25 digits) contains 22 as substring.

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, 11960259 + ... + 12044038.

It is an arithmetic number, because the mean of its divisors is an integer number (58330444140).

Almost surely, 2^{1005540001330} is an apocalyptic number.

1005540001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005540001330 is a deficient number, since it is larger than the sum of its proper divisors (861034211150).

1005540001330 is a wasteful number, since it uses less digits than its factorization.

1005540001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24004434.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 1005540001330 its reverse (331000455001), we get a palindrome (1336540456331).

The spelling of 1005540001330 in words is "one trillion, five billion, five hundred forty million, one thousand, three hundred thirty".