538151340 has 24 divisors (see below), whose sum is σ = 1506823920. Its totient is φ = 143507008.

The previous prime is 538151329. The next prime is 538151381. The reversal of 538151340 is 43151835.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 538151298 and 538151307.

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 7 ways as a sum of consecutive naturals, for example, 4484535 + ... + 4484654.

It is an arithmetic number, because the mean of its divisors is an integer number (62784330).

Almost surely, 2^538151340 is an apocalyptic number.

It is an amenable number.

538151340 is an abundant number, since it is smaller than the sum of its proper divisors (968672580).

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

538151340 is a wasteful number, since it uses less digits than its factorization.

538151340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8969201 (or 8969199 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 538151340 is about 23198.0891454447. The cubic root of 538151340 is about 813.3949567361.

It can be divided in two parts, 53815 and 1340, that added together give a palindrome (55155).

The spelling of 538151340 in words is "five hundred thirty-eight million, one hundred fifty-one thousand, three hundred forty".