40204747185552 has 160 divisors (see below), whose sum is σ = 115628168073600. Its totient is φ = 13375386206208.

The previous prime is 40204747185541. The next prime is 40204747185569. The reversal of 40204747185552 is 25558174740204.

40204747185552 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 4 + 7 + 4 + 7 + 1 + 85 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1821433588 + ... + 1821455660.

It is an arithmetic number, because the mean of its divisors is an integer number (722676050460).

Almost surely, 2^{40204747185552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40204747185552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57814084036800).

40204747185552 is an abundant number, since it is smaller than the sum of its proper divisors (75423420888048).

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

40204747185552 is a wasteful number, since it uses less digits than its factorization.

40204747185552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30142 (or 30130 counting only the distinct ones).

The product of its (nonzero) digits is 12544000, while the sum is 54.

The spelling of 40204747185552 in words is "forty trillion, two hundred four billion, seven hundred forty-seven million, one hundred eighty-five thousand, five hundred fifty-two".