511150340 has 12 divisors (see below), whose sum is σ = 1073415756. Its totient is φ = 204460128.

The previous prime is 511150337. The next prime is 511150361. The reversal of 511150340 is 43051115.

It can be written as a sum of positive squares in 2 ways, for example, as 62473216 + 448677124 = 7904^2 + 21182^2 .

It is a super-2 number, since 2×511150340² = 522549340164231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 25557517 = 511150340 / (5 + 1 + 1 + 1 + 5 + 0 + 3 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12778739 + ... + 12778778.

It is an arithmetic number, because the mean of its divisors is an integer number (89451313).

Almost surely, 2^511150340 is an apocalyptic number.

It is an amenable number.

511150340 is an abundant number, since it is smaller than the sum of its proper divisors (562265416).

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

511150340 is a wasteful number, since it uses less digits than its factorization.

511150340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25557526 (or 25557524 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 511150340 is about 22608.6341913880. The cubic root of 511150340 is about 799.5572237317.

The spelling of 511150340 in words is "five hundred eleven million, one hundred fifty thousand, three hundred forty".