538612340 has 48 divisors (see below), whose sum is σ = 1294430592. Its totient is φ = 184415616.

The previous prime is 538612307. The next prime is 538612363. The reversal of 538612340 is 43216835.

It is a junction number, because it is equal to n+sod(n) for n = 538612297 and 538612306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121442 + ... + 125798.

It is an arithmetic number, because the mean of its divisors is an integer number (26967304).

Almost surely, 2^538612340 is an apocalyptic number.

It is an amenable number.

538612340 is an abundant number, since it is smaller than the sum of its proper divisors (755818252).

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

538612340 is a wasteful number, since it uses less digits than its factorization.

538612340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5254 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 538612340 is about 23208.0231816499. The cubic root of 538612340 is about 813.6271516757.

The spelling of 538612340 in words is "five hundred thirty-eight million, six hundred twelve thousand, three hundred forty".