1540533422 has 8 divisors (see below), whose sum is σ = 2411269776. Its totient is φ = 736776832.

The previous prime is 1540533419. The next prime is 1540533451. The reversal of 1540533422 is 2243350451.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16744883 + ... + 16744974.

It is an arithmetic number, because the mean of its divisors is an integer number (301408722).

Almost surely, 2^1540533422 is an apocalyptic number.

1540533422 is a deficient number, since it is larger than the sum of its proper divisors (870736354).

1540533422 is a wasteful number, since it uses less digits than its factorization.

1540533422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33489882.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1540533422 is about 39249.6295778699. The cubic root of 1540533422 is about 1154.9336673486.

Adding to 1540533422 its reverse (2243350451), we get a palindrome (3783883873).

The spelling of 1540533422 in words is "one billion, five hundred forty million, five hundred thirty-three thousand, four hundred twenty-two".