40820546052 has 96 divisors (see below), whose sum is σ = 124333023360. Its totient is φ = 11418330240.

The previous prime is 40820546033. The next prime is 40820546059. The reversal of 40820546052 is 25064502804.

It is a happy number.

40820546052 is a `hidden beast` number, since 40 + 8 + 2 + 0 + 5 + 4 + 605 + 2 = 666.

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 = 40820545998 and 40820546016.

It is not an unprimeable number, because it can be changed into a prime (40820546059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1306123 + ... + 1337010.

It is an arithmetic number, because the mean of its divisors is an integer number (1295135660).

Almost surely, 2^40820546052 is an apocalyptic number.

It is an amenable number.

40820546052 is an abundant number, since it is smaller than the sum of its proper divisors (83512477308).

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

40820546052 is a wasteful number, since it uses less digits than its factorization.

40820546052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643170 (or 2643162 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 40820546052 in words is "forty billion, eight hundred twenty million, five hundred forty-six thousand, fifty-two".