1505140490 has 16 divisors (see below), whose sum is σ = 3096289152. Its totient is φ = 516048144.

The previous prime is 1505140487. The next prime is 1505140517. The reversal of 1505140490 is 940415051.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10750934 + ... + 10751073.

It is an arithmetic number, because the mean of its divisors is an integer number (193518072).

Almost surely, 2^1505140490 is an apocalyptic number.

1505140490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1505140490 is an abundant number, since it is smaller than the sum of its proper divisors (1591148662).

1505140490 is a wasteful number, since it uses less digits than its factorization.

1505140490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21502021.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1505140490 is about 38796.1401430606. The cubic root of 1505140490 is about 1146.0203943225.

The spelling of 1505140490 in words is "one billion, five hundred five million, one hundred forty thousand, four hundred ninety".