40070481 has 24 divisors (see below), whose sum is σ = 59166912. Its totient is φ = 24103200.

The previous prime is 40070477. The next prime is 40070521. The reversal of 40070481 is 18407004.

40070481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40070481 - 2² = 40070477 is a prime.

It is a super-2 number, since 2×40070481² = 3211286895142722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40074481) 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 23 ways as a sum of consecutive naturals, for example, 60291 + ... + 60951.

It is an arithmetic number, because the mean of its divisors is an integer number (2465288).

Almost surely, 2^40070481 is an apocalyptic number.

It is an amenable number.

40070481 is a deficient number, since it is larger than the sum of its proper divisors (19096431).

40070481 is a wasteful number, since it uses less digits than its factorization.

40070481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 40070481 is about 6330.1248802847. The cubic root of 40070481 is about 342.1959394970.

Adding to 40070481 its reverse (18407004), we get a palindrome (58477485).

The spelling of 40070481 in words is "forty million, seventy thousand, four hundred eighty-one".