40811370 has 32 divisors (see below), whose sum is σ = 100597248. Its totient is φ = 10588608.

The previous prime is 40811363. The next prime is 40811371. The reversal of 40811370 is 7311804.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40811370.

It is not an unprimeable number, because it can be changed into a prime (40811371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17274 + ... + 19493.

It is an arithmetic number, because the mean of its divisors is an integer number (3143664).

Almost surely, 2^40811370 is an apocalyptic number.

40811370 is an abundant number, since it is smaller than the sum of its proper divisors (59785878).

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

40811370 is a wasteful number, since it uses less digits than its factorization.

40811370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36814.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 40811370 is about 6388.3777283439. The cubic root of 40811370 is about 344.2921002406.

The spelling of 40811370 in words is "forty million, eight hundred eleven thousand, three hundred seventy".