1042564406 has 16 divisors (see below), whose sum is σ = 1783210464. Its totient is φ = 452878464.

The previous prime is 1042564403. The next prime is 1042564427. The reversal of 1042564406 is 6044652401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042564403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178930 + ... + 1179813.

It is an arithmetic number, because the mean of its divisors is an integer number (111450654).

Almost surely, 2^1042564406 is an apocalyptic number.

1042564406 is a deficient number, since it is larger than the sum of its proper divisors (740646058).

1042564406 is a wasteful number, since it uses less digits than its factorization.

1042564406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358775.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1042564406 is about 32288.7659411133. The cubic root of 1042564406 is about 1013.9914613486.

The spelling of 1042564406 in words is "one billion, forty-two million, five hundred sixty-four thousand, four hundred six".