40197565152 has 144 divisors (see below), whose sum is σ = 126298841760. Its totient is φ = 12062662656.

The previous prime is 40197565141. The next prime is 40197565183. The reversal of 40197565152 is 25156579104.

It is a happy number.

40197565152 is a `hidden beast` number, since 40 + 1 + 97 + 5 + 6 + 515 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 40197565098 and 40197565107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65877 + ... + 291092.

It is an arithmetic number, because the mean of its divisors is an integer number (877075290).

Almost surely, 2^40197565152 is an apocalyptic number.

It is an amenable number.

40197565152 is an abundant number, since it is smaller than the sum of its proper divisors (86101276608).

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

40197565152 is a wasteful number, since it uses less digits than its factorization.

40197565152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357025 (or 357014 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 40197565152 in words is "forty billion, one hundred ninety-seven million, five hundred sixty-five thousand, one hundred fifty-two".