1040310730 has 16 divisors (see below), whose sum is σ = 1874026440. Its totient is φ = 415798272.

The previous prime is 1040310703. The next prime is 1040310763. The reversal of 1040310730 is 370130401.

It can be written as a sum of positive squares in 4 ways, for example, as 912100401 + 128210329 = 30201^2 + 11323^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1040310698 and 1040310707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27135 + ... + 53074.

Almost surely, 2^1040310730 is an apocalyptic number.

1040310730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040310730 is a deficient number, since it is larger than the sum of its proper divisors (833715710).

1040310730 is a wasteful number, since it uses less digits than its factorization.

1040310730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81513.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1040310730 is about 32253.8482975288. The cubic root of 1040310730 is about 1013.2602973051.

The spelling of 1040310730 in words is "one billion, forty million, three hundred ten thousand, seven hundred thirty".