40135401 has 12 divisors (see below), whose sum is σ = 58270212. Its totient is φ = 26619936.

The previous prime is 40135393. The next prime is 40135409. The reversal of 40135401 is 10453104.

It is a happy number.

40135401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40135393) and next prime (40135409).

It can be written as a sum of positive squares in 2 ways, for example, as 27878400 + 12257001 = 5280^2 + 3501^2 .

It is not a de Polignac number, because 40135401 - 2³ = 40135393 is a prime.

It is a super-2 number, since 2×40135401² = 3221700826861602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40135409) 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, 9546 + ... + 13091.

It is an arithmetic number, because the mean of its divisors is an integer number (4855851).

Almost surely, 2^40135401 is an apocalyptic number.

It is an amenable number.

40135401 is a deficient number, since it is larger than the sum of its proper divisors (18134811).

40135401 is a wasteful number, since it uses less digits than its factorization.

40135401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22840 (or 22837 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40135401 is about 6335.2506659169. The cubic root of 40135401 is about 342.3806421614.

Adding to 40135401 its reverse (10453104), we get a palindrome (50588505).

The spelling of 40135401 in words is "forty million, one hundred thirty-five thousand, four hundred one".