40348136 has 8 divisors (see below), whose sum is σ = 75652770. Its totient is φ = 20174064.

The previous prime is 40348129. The next prime is 40348169. The reversal of 40348136 is 63184304.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 15288100 = 5006^2 + 3910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40348099 and 40348108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2521751 + ... + 2521766.

Almost surely, 2^40348136 is an apocalyptic number.

It is an amenable number.

40348136 is a deficient number, since it is larger than the sum of its proper divisors (35304634).

40348136 is a wasteful number, since it uses less digits than its factorization.

40348136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043523 (or 5043519 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40348136 is about 6352.0182619385. The cubic root of 40348136 is about 342.9844983885.

The spelling of 40348136 in words is "forty million, three hundred forty-eight thousand, one hundred thirty-six".