1045640410 has 16 divisors (see below), whose sum is σ = 1894143816. Its totient is φ = 415591488.

The previous prime is 1045640381. The next prime is 1045640423. The reversal of 1045640410 is 140465401.

It can be written as a sum of positive squares in 4 ways, for example, as 414977641 + 630662769 = 20371^2 + 25113^2 .

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, 331437 + ... + 334576.

Almost surely, 2^1045640410 is an apocalyptic number.

1045640410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045640410 is a deficient number, since it is larger than the sum of its proper divisors (848503406).

1045640410 is a wasteful number, since it uses less digits than its factorization.

1045640410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666177.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1045640410 is about 32336.3635865259. The cubic root of 1045640410 is about 1014.9877161269.

The spelling of 1045640410 in words is "one billion, forty-five million, six hundred forty thousand, four hundred ten".