1043440402 has 16 divisors (see below), whose sum is σ = 1639440000. Its totient is φ = 497133472.

The previous prime is 1043440397. The next prime is 1043440417. The reversal of 1043440402 is 2040443401.

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, 31027 + ... + 55222.

It is an arithmetic number, because the mean of its divisors is an integer number (102465000).

Almost surely, 2^1043440402 is an apocalyptic number.

1043440402 is a deficient number, since it is larger than the sum of its proper divisors (595999598).

1043440402 is a wasteful number, since it uses less digits than its factorization.

1043440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86537.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1043440402 is about 32302.3281204312. The cubic root of 1043440402 is about 1014.2753778771.

Adding to 1043440402 its reverse (2040443401), we get a palindrome (3083883803).

Subtracting 1043440402 from its reverse (2040443401), we obtain a cube (997002999 = 999³).

The spelling of 1043440402 in words is "one billion, forty-three million, four hundred forty thousand, four hundred two".