40489561332 has 36 divisors (see below), whose sum is σ = 111653033856. Its totient is φ = 12269563920.

The previous prime is 40489561331. The next prime is 40489561367. The reversal of 40489561332 is 23316598404.

40489561332 is a `hidden beast` number, since 4 + 0 + 4 + 89 + 561 + 3 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40489561332² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40489561331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51122788 + ... + 51123579.

Almost surely, 2^40489561332 is an apocalyptic number.

It is an amenable number.

40489561332 is an abundant number, since it is smaller than the sum of its proper divisors (71163472524).

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

40489561332 is a wasteful number, since it uses less digits than its factorization.

40489561332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102246388 (or 102246383 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 40489561332 in words is "forty billion, four hundred eighty-nine million, five hundred sixty-one thousand, three hundred thirty-two".