40378935 has 16 divisors (see below), whose sum is σ = 66109824. Its totient is φ = 21034272.

The previous prime is 40378931. The next prime is 40378939. The reversal of 40378935 is 53987304.

It is an interprime number because it is at equal distance from previous prime (40378931) and next prime (40378939).

It is not a de Polignac number, because 40378935 - 2² = 40378931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40378893 and 40378902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40378931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30657 + ... + 31946.

It is an arithmetic number, because the mean of its divisors is an integer number (4131864).

Almost surely, 2^40378935 is an apocalyptic number.

40378935 is a deficient number, since it is larger than the sum of its proper divisors (25730889).

40378935 is a wasteful number, since it uses less digits than its factorization.

40378935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62654.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 40378935 is about 6354.4421470338. The cubic root of 40378935 is about 343.0717464741.

The spelling of 40378935 in words is "forty million, three hundred seventy-eight thousand, nine hundred thirty-five".