53223620040 has 96 divisors (see below), whose sum is σ = 182080828800. Its totient is φ = 13445965440.

The previous prime is 53223620017. The next prime is 53223620057. The reversal of 53223620040 is 4002632235.

53223620040 is a `hidden beast` number, since 5 + 32 + 2 + 3 + 620 + 0 + 4 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53223619986 and 53223620013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3883776 + ... + 3897455.

It is an arithmetic number, because the mean of its divisors is an integer number (1896675300).

Almost surely, 2^53223620040 is an apocalyptic number.

It is an amenable number.

53223620040 is an abundant number, since it is smaller than the sum of its proper divisors (128857208760).

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

53223620040 is a wasteful number, since it uses less digits than its factorization.

53223620040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781267 (or 7781260 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 53223620040 in words is "fifty-three billion, two hundred twenty-three million, six hundred twenty thousand, forty".