511426260 has 72 divisors (see below), whose sum is σ = 1554416136. Its totient is φ = 136108800.

The previous prime is 511426241. The next prime is 511426271. The reversal of 511426260 is 62624115.

It can be written as a sum of positive squares in 4 ways, for example, as 45643536 + 465782724 = 6756^2 + 21582^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97710 + ... + 102810.

It is an arithmetic number, because the mean of its divisors is an integer number (21589113).

Almost surely, 2^511426260 is an apocalyptic number.

It is an amenable number.

511426260 is an abundant number, since it is smaller than the sum of its proper divisors (1042989876).

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

511426260 is a wasteful number, since it uses less digits than its factorization.

511426260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673 (or 5668 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 511426260 is about 22614.7354616409. The cubic root of 511426260 is about 799.7010653949.

The spelling of 511426260 in words is "five hundred eleven million, four hundred twenty-six thousand, two hundred sixty".