1046256816 has 40 divisors (see below), whose sum is σ = 2948543424. Its totient is φ = 317047360.

The previous prime is 1046256797. The next prime is 1046256817. The reversal of 1046256816 is 6186526401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1046256817) 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, 990246 + ... + 991301.

Almost surely, 2^1046256816 is an apocalyptic number.

1046256816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1046256816 is an abundant number, since it is smaller than the sum of its proper divisors (1902286608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1046256816 is a wasteful number, since it uses less digits than its factorization.

1046256816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981569 (or 1981563 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1046256816 is about 32345.8933405773. The cubic root of 1046256816 is about 1015.1871223514.

The spelling of 1046256816 in words is "one billion, forty-six million, two hundred fifty-six thousand, eight hundred sixteen".