40378335 has 16 divisors (see below), whose sum is σ = 64710144. Its totient is φ = 21500192.

The previous prime is 40378319. The next prime is 40378343. The reversal of 40378335 is 53387304.

It is a cyclic number.

It is not a de Polignac number, because 40378335 - 2⁴ = 40378319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40378296 and 40378305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9334 + ... + 12956.

It is an arithmetic number, because the mean of its divisors is an integer number (4044384).

Almost surely, 2^40378335 is an apocalyptic number.

40378335 is a deficient number, since it is larger than the sum of its proper divisors (24331809).

40378335 is a wasteful number, since it uses less digits than its factorization.

40378335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 40378335 is about 6354.3949357905. The cubic root of 40378335 is about 343.0700472047.

The spelling of 40378335 in words is "forty million, three hundred seventy-eight thousand, three hundred thirty-five".