40554907 has 4 divisors (see below), whose sum is σ = 40567696. Its totient is φ = 40542120.

The previous prime is 40554901. The next prime is 40554929. The reversal of 40554907 is 70945504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40554907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40554901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2338 + ... + 9304.

It is an arithmetic number, because the mean of its divisors is an integer number (10141924).

Almost surely, 2^40554907 is an apocalyptic number.

40554907 is a deficient number, since it is larger than the sum of its proper divisors (12789).

40554907 is an equidigital number, since it uses as much as digits as its factorization.

40554907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12788.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 40554907 is about 6368.2734708868. The cubic root of 40554907 is about 343.5693948463.

The spelling of 40554907 in words is "forty million, five hundred fifty-four thousand, nine hundred seven".