46042809 has 16 divisors (see below), whose sum is σ = 63121344. Its totient is φ = 29836800.

The previous prime is 46042793. The next prime is 46042811. The reversal of 46042809 is 90824064.

It is not a de Polignac number, because 46042809 - 2⁴ = 46042793 is a prime.

It is a super-2 number, since 2×46042809² = 4239880521220962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46042809.

It is not an unprimeable number, because it can be changed into a prime (46042879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30349 + ... + 31829.

It is an arithmetic number, because the mean of its divisors is an integer number (3945084).

Almost surely, 2^46042809 is an apocalyptic number.

It is an amenable number.

46042809 is a deficient number, since it is larger than the sum of its proper divisors (17078535).

46042809 is a wasteful number, since it uses less digits than its factorization.

46042809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 46042809 is about 6785.4851705681. The cubic root of 46042809 is about 358.4159024196.

The spelling of 46042809 in words is "forty-six million, forty-two thousand, eight hundred nine".