527399540 has 24 divisors (see below), whose sum is σ = 1114340640. Its totient is φ = 209664288.

The previous prime is 527399533. The next prime is 527399563. The reversal of 527399540 is 45993725.

It is a junction number, because it is equal to n+sod(n) for n = 527399491 and 527399500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77630 + ... + 84149.

It is an arithmetic number, because the mean of its divisors is an integer number (46430860).

Almost surely, 2^527399540 is an apocalyptic number.

It is an amenable number.

527399540 is an abundant number, since it is smaller than the sum of its proper divisors (586941100).

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

527399540 is a wasteful number, since it uses less digits than its factorization.

527399540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161951 (or 161949 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 527399540 is about 22965.1810356461. The cubic root of 527399540 is about 807.9414986400.

The spelling of 527399540 in words is "five hundred twenty-seven million, three hundred ninety-nine thousand, five hundred forty".