40554602452 has 72 divisors (see below), whose sum is σ = 89557902504. Its totient is φ = 15926335488.

The previous prime is 40554602449. The next prime is 40554602453. The reversal of 40554602452 is 25420645504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 536200336 + 40018402116 = 23156^2 + 200046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40554602453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290988 + ... + 407164.

It is an arithmetic number, because the mean of its divisors is an integer number (1243859757).

Almost surely, 2^40554602452 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 40554602452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44778951252).

40554602452 is an abundant number, since it is smaller than the sum of its proper divisors (49003300052).

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

40554602452 is a wasteful number, since it uses less digits than its factorization.

40554602452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116345 (or 116336 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 40554602452 in words is "forty billion, five hundred fifty-four million, six hundred two thousand, four hundred fifty-two".