40533020550 has 72 divisors (see below), whose sum is σ = 118798612920. Its totient is φ = 9826185600.

The previous prime is 40533020531. The next prime is 40533020579. The reversal of 40533020550 is 5502033504.

40533020550 is a `hidden beast` number, since 40 + 53 + 3 + 0 + 20 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4089295 + ... + 4099194.

It is an arithmetic number, because the mean of its divisors is an integer number (1649980735).

Almost surely, 2^40533020550 is an apocalyptic number.

40533020550 is an abundant number, since it is smaller than the sum of its proper divisors (78265592370).

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

40533020550 is a wasteful number, since it uses less digits than its factorization.

40533020550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188518 (or 8188510 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The spelling of 40533020550 in words is "forty billion, five hundred thirty-three million, twenty thousand, five hundred fifty".