40555370 has 24 divisors (see below), whose sum is σ = 77551884. Its totient is φ = 15266816.

The previous prime is 40555363. The next prime is 40555379. The reversal of 40555370 is 7355504.

It can be written as a sum of positive squares in 6 ways, for example, as 20511841 + 20043529 = 4529^2 + 4477^2 .

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (40555379) 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, 4127 + ... + 9906.

Almost surely, 2^40555370 is an apocalyptic number.

40555370 is a deficient number, since it is larger than the sum of its proper divisors (36996514).

40555370 is a wasteful number, since it uses less digits than its factorization.

40555370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14074 (or 14057 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 40555370 is about 6368.3098228651. The cubic root of 40555370 is about 343.5707023085.

The spelling of 40555370 in words is "forty million, five hundred fifty-five thousand, three hundred seventy".