540311151550 has 24 divisors (see below), whose sum is σ = 1006907732352. Its totient is φ = 215709624000.

The previous prime is 540311151533. The next prime is 540311151581. The reversal of 540311151550 is 55151113045.

It is a happy number.

It is a super-2 number, since 2×540311151550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10344606 + ... + 10396705.

It is an arithmetic number, because the mean of its divisors is an integer number (41954488848).

Almost surely, 2^540311151550 is an apocalyptic number.

540311151550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

540311151550 is a deficient number, since it is larger than the sum of its proper divisors (466596580802).

540311151550 is a wasteful number, since it uses less digits than its factorization.

540311151550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20741844 (or 20741839 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 540311151550 its reverse (55151113045), we get a palindrome (595462264595).

The spelling of 540311151550 in words is "five hundred forty billion, three hundred eleven million, one hundred fifty-one thousand, five hundred fifty".