511010046 has 44 divisors (see below), whose sum is σ = 1150031832. Its totient is φ = 170297316.

The previous prime is 511010039. The next prime is 511010077. The reversal of 511010046 is 640010115.

It is a super-2 number, since 2×511010046² = 522262534225844232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 115935 + ... + 120261.

Almost surely, 2^511010046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511010046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575015916).

511010046 is an abundant number, since it is smaller than the sum of its proper divisors (639021786).

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

511010046 is an frugal number, since it uses more digits than its factorization.

511010046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359 (or 4332 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 511010046 is about 22605.5313142602. The cubic root of 511010046 is about 799.4840662954.

The spelling of 511010046 in words is "five hundred eleven million, ten thousand, forty-six".