1040645546 has 16 divisors (see below), whose sum is σ = 1571125248. Its totient is φ = 516944400.

The previous prime is 1040645539. The next prime is 1040645581. The reversal of 1040645546 is 6455460401.

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, 469136 + ... + 471348.

It is an arithmetic number, because the mean of its divisors is an integer number (98195328).

Almost surely, 2^1040645546 is an apocalyptic number.

1040645546 is a deficient number, since it is larger than the sum of its proper divisors (530479702).

1040645546 is a wasteful number, since it uses less digits than its factorization.

1040645546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1040645546 is about 32259.0382063694. The cubic root of 1040645546 is about 1013.3689889876.

The spelling of 1040645546 in words is "one billion, forty million, six hundred forty-five thousand, five hundred forty-six".