40390814170 has 24 divisors (see below), whose sum is σ = 84573420084. Its totient is φ = 13848278976.

The previous prime is 40390814161. The next prime is 40390814173. The reversal of 40390814170 is 7141809304.

It can be written as a sum of positive squares in 2 ways, for example, as 39096757441 + 1294056729 = 197729^2 + 35973^2 .

It is not an unprimeable number, because it can be changed into a prime (40390814173) 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, 41214627 + ... + 41215606.

Almost surely, 2^40390814170 is an apocalyptic number.

40390814170 is an abundant number, since it is smaller than the sum of its proper divisors (44182605914).

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

40390814170 is a wasteful number, since it uses less digits than its factorization.

40390814170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82430254 (or 82430247 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 40390814170 in words is "forty billion, three hundred ninety million, eight hundred fourteen thousand, one hundred seventy".