542511752040 has 96 divisors (see below), whose sum is σ = 1839822491520. Its totient is φ = 138379807104.

The previous prime is 542511752021. The next prime is 542511752047. The reversal of 542511752040 is 40257115245.

542511752040 is a `hidden beast` number, since 5 + 42 + 51 + 1 + 7 + 520 + 40 = 666.

It is a super-2 number, since 2×542511752040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 542511751986 and 542511752004.

It is not an unprimeable number, because it can be changed into a prime (542511752047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32752092 + ... + 32768651.

It is an arithmetic number, because the mean of its divisors is an integer number (19164817620).

Almost surely, 2^542511752040 is an apocalyptic number.

It is an amenable number.

542511752040 is an abundant number, since it is smaller than the sum of its proper divisors (1297310739480).

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

542511752040 is a wasteful number, since it uses less digits than its factorization.

542511752040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65520783 (or 65520776 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

Adding to 542511752040 its reverse (40257115245), we get a palindrome (582768867285).

The spelling of 542511752040 in words is "five hundred forty-two billion, five hundred eleven million, seven hundred fifty-two thousand, forty".