538040742 has 8 divisors (see below), whose sum is σ = 1076081496. Its totient is φ = 179346912.

The previous prime is 538040729. The next prime is 538040747. The reversal of 538040742 is 247040835.

It is a sphenic number, since it is the product of 3 distinct primes.

538040742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538040747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44836723 + ... + 44836734.

It is an arithmetic number, because the mean of its divisors is an integer number (134510187).

Almost surely, 2^538040742 is an apocalyptic number.

538040742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

538040742 is a wasteful number, since it uses less digits than its factorization.

538040742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89673462.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 538040742 is about 23195.7052490326. The cubic root of 538040742 is about 813.3392313840.

The spelling of 538040742 in words is "five hundred thirty-eight million, forty thousand, seven hundred forty-two".