1540350422 has 8 divisors (see below), whose sum is σ = 2488258416. Its totient is φ = 710930952.

The previous prime is 1540350407. The next prime is 1540350431. The reversal of 1540350422 is 2240530451.

It is a happy number.

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

It is a super-4 number, since 4×1540350422⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 59244247 = 1540350422 / (1 + 5 + 4 + 0 + 3 + 5 + 0 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1540350391 and 1540350400.

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, 29622098 + ... + 29622149.

It is an arithmetic number, because the mean of its divisors is an integer number (311032302).

Almost surely, 2^1540350422 is an apocalyptic number.

1540350422 is a deficient number, since it is larger than the sum of its proper divisors (947907994).

1540350422 is a wasteful number, since it uses less digits than its factorization.

1540350422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59244262.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1540350422 is about 39247.2982764419. The cubic root of 1540350422 is about 1154.8879340055.

Adding to 1540350422 its reverse (2240530451), we get a palindrome (3780880873).

The spelling of 1540350422 in words is "one billion, five hundred forty million, three hundred fifty thousand, four hundred twenty-two".