1005500505490 has 32 divisors (see below), whose sum is σ = 1968047617536. Its totient is φ = 367657237440.

The previous prime is 1005500505461. The next prime is 1005500505497. The reversal of 1005500505490 is 945050055001.

It is a super-2 number, since 2×1005500505490² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005500505497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37533306 + ... + 37560085.

It is an arithmetic number, because the mean of its divisors is an integer number (61501488048).

Almost surely, 2^{1005500505490} is an apocalyptic number.

1005500505490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005500505490 is a deficient number, since it is larger than the sum of its proper divisors (962547112046).

1005500505490 is a wasteful number, since it uses less digits than its factorization.

1005500505490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75093514.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 1005500505490 in words is "one trillion, five billion, five hundred million, five hundred five thousand, four hundred ninety".