40070178500 has 144 divisors (see below), whose sum is σ = 96575549616. Its totient is φ = 14512960000.

The previous prime is 40070178469. The next prime is 40070178503. The reversal of 40070178500 is 587107004.

It can be written as a sum of positive squares in 8 ways, for example, as 16164071044 + 23906107456 = 127138^2 + 154616^2 .

It is not an unprimeable number, because it can be changed into a prime (40070178503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16999322 + ... + 17001678.

It is an arithmetic number, because the mean of its divisors is an integer number (670663539).

Almost surely, 2^40070178500 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 40070178500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48287774808).

40070178500 is an abundant number, since it is smaller than the sum of its proper divisors (56505371116).

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

40070178500 is a wasteful number, since it uses less digits than its factorization.

40070178500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 40070178500 in words is "forty billion, seventy million, one hundred seventy-eight thousand, five hundred".