40078341 has 16 divisors (see below), whose sum is σ = 59540800. Its totient is φ = 26644464.

The previous prime is 40078331. The next prime is 40078369. The reversal of 40078341 is 14387004.

It is not a de Polignac number, because 40078341 - 2⁵ = 40078309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40078331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8850 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (3721300).

Almost surely, 2^40078341 is an apocalyptic number.

It is an amenable number.

40078341 is a deficient number, since it is larger than the sum of its proper divisors (19462459).

40078341 is a wasteful number, since it uses less digits than its factorization.

40078341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4139 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40078341 is about 6330.7456906750. The cubic root of 40078341 is about 342.2183124440.

The spelling of 40078341 in words is "forty million, seventy-eight thousand, three hundred forty-one".