40305501 has 12 divisors (see below), whose sum is σ = 59639580. Its totient is φ = 26214720.

The previous prime is 40305481. The next prime is 40305523. The reversal of 40305501 is 10550304.

40305501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16040025 + 24265476 = 4005^2 + 4926^2 .

It is not a de Polignac number, because 40305501 - 2¹⁰ = 40304477 is a prime.

It is a super-2 number, since 2×40305501² = 3249066821722002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40305571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54246 + ... + 54983.

It is an arithmetic number, because the mean of its divisors is an integer number (4969965).

Almost surely, 2^40305501 is an apocalyptic number.

40305501 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40305501 is a deficient number, since it is larger than the sum of its proper divisors (19334079).

40305501 is a wasteful number, since it uses less digits than its factorization.

40305501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109276 (or 109273 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 40305501 is about 6348.6613549629. The cubic root of 40305501 is about 342.8636477188.

Adding to 40305501 its reverse (10550304), we get a palindrome (50855805).

The spelling of 40305501 in words is "forty million, three hundred five thousand, five hundred one".