40135696 has 10 divisors (see below), whose sum is σ = 77762942. Its totient is φ = 20067840.

The previous prime is 40135673. The next prime is 40135699. The reversal of 40135696 is 69653104.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 16516096 = 4860^2 + 4064^2 .

It is a super-2 number, since 2×40135696² = 3221748186808832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40135699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254225 + ... + 1254256.

Almost surely, 2^40135696 is an apocalyptic number.

It is an amenable number.

40135696 is a deficient number, since it is larger than the sum of its proper divisors (37627246).

40135696 is a wasteful number, since it uses less digits than its factorization.

40135696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508489 (or 2508483 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 40135696 is about 6335.2739482993. The cubic root of 40135696 is about 342.3814810056.

The spelling of 40135696 in words is "forty million, one hundred thirty-five thousand, six hundred ninety-six".