40539357180 has 432 divisors, whose sum is σ = 147025307520. Its totient is φ = 9012197376.

The previous prime is 40539357167. The next prime is 40539357193. The reversal of 40539357180 is 8175393504.

40539357180 is a `hidden beast` number, since 4 + 0 + 539 + 35 + 7 + 1 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (40539357167) and next prime (40539357193).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 50864542 + ... + 50865338.

It is an arithmetic number, because the mean of its divisors is an integer number (340336360).

Almost surely, 2^40539357180 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 40539357180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73512653760).

40539357180 is an abundant number, since it is smaller than the sum of its proper divisors (106485950340).

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

40539357180 is a wasteful number, since it uses less digits than its factorization.

40539357180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 40539357180 in words is "forty billion, five hundred thirty-nine million, three hundred fifty-seven thousand, one hundred eighty".