540311152020 has 48 divisors (see below), whose sum is σ = 1527559313280. Its totient is φ = 142684108416.

The previous prime is 540311152001. The next prime is 540311152061. The reversal of 540311152020 is 20251113045.

It is a happy number.

It is a super-2 number, since 2×540311152020² (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 15 ways as a sum of consecutive naturals, for example, 43708315 + ... + 43720674.

It is an arithmetic number, because the mean of its divisors is an integer number (31824152360).

Almost surely, 2^540311152020 is an apocalyptic number.

It is an amenable number.

540311152020 is an abundant number, since it is smaller than the sum of its proper divisors (987248161260).

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

540311152020 is a wasteful number, since it uses less digits than its factorization.

540311152020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87429104 (or 87429102 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 540311152020 its reverse (20251113045), we get a palindrome (560562265065).

The spelling of 540311152020 in words is "five hundred forty billion, three hundred eleven million, one hundred fifty-two thousand, twenty".