40135628 has 24 divisors (see below), whose sum is σ = 77072688. Its totient is φ = 18173376.

The previous prime is 40135609. The next prime is 40135633. The reversal of 40135628 is 82653104.

40135628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40135628² = 3221737269908768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40135628.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4526 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (3211362).

Almost surely, 2^40135628 is an apocalyptic number.

It is an amenable number.

40135628 is a deficient number, since it is larger than the sum of its proper divisors (36937060).

40135628 is a wasteful number, since it uses less digits than its factorization.

40135628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633 (or 14631 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40135628 is about 6335.2685815204. The cubic root of 40135628 is about 342.3812876452.

The spelling of 40135628 in words is "forty million, one hundred thirty-five thousand, six hundred twenty-eight".