1046640454 has 16 divisors (see below), whose sum is σ = 1586669040. Its totient is φ = 517764960.

The previous prime is 1046640451. The next prime is 1046640457. The reversal of 1046640454 is 4540466401.

It is an interprime number because it is at equal distance from previous prime (1046640451) and next prime (1046640457).

It is a super-2 number, since 2×1046640454² = 2190912479898652232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046640451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165409 + ... + 171619.

It is an arithmetic number, because the mean of its divisors is an integer number (99166815).

Almost surely, 2^1046640454 is an apocalyptic number.

1046640454 is a deficient number, since it is larger than the sum of its proper divisors (540028586).

1046640454 is a wasteful number, since it uses less digits than its factorization.

1046640454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 1046640454 is about 32351.8230398227. The cubic root of 1046640454 is about 1015.3111890109.

The spelling of 1046640454 in words is "one billion, forty-six million, six hundred forty thousand, four hundred fifty-four".