40955730 has 32 divisors (see below), whose sum is σ = 98955648. Its totient is φ = 10848000.

The previous prime is 40955729. The next prime is 40955731. The reversal of 40955730 is 3755904.

It is an interprime number because it is at equal distance from previous prime (40955729) and next prime (40955731).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40955691 and 40955700.

It is not an unprimeable number, because it can be changed into a prime (40955731) 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, 10 + ... + 9050.

It is an arithmetic number, because the mean of its divisors is an integer number (3092364).

Almost surely, 2^40955730 is an apocalyptic number.

40955730 is an abundant number, since it is smaller than the sum of its proper divisors (57999918).

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

40955730 is a wasteful number, since it uses less digits than its factorization.

40955730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 40955730 is about 6399.6663975554. Note that the first 3 decimals coincide. The cubic root of 40955730 is about 344.6975715564.

The spelling of 40955730 in words is "forty million, nine hundred fifty-five thousand, seven hundred thirty".