511412340 has 48 divisors (see below), whose sum is σ = 1453338432. Its totient is φ = 134340096.

The previous prime is 511412329. The next prime is 511412351. The reversal of 511412340 is 43214115.

It is an interprime number because it is at equal distance from previous prime (511412329) and next prime (511412351).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59589 + ... + 67628.

It is an arithmetic number, because the mean of its divisors is an integer number (30277884).

Almost surely, 2^511412340 is an apocalyptic number.

It is an amenable number.

511412340 is an abundant number, since it is smaller than the sum of its proper divisors (941926092).

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

511412340 is a wasteful number, since it uses less digits than its factorization.

511412340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127296 (or 127294 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 511412340 is about 22614.4276956106. The cubic root of 511412340 is about 799.6938099078.

Adding to 511412340 its reverse (43214115), we get a palindrome (554626455).

The spelling of 511412340 in words is "five hundred eleven million, four hundred twelve thousand, three hundred forty".