40378048 has 14 divisors (see below), whose sum is σ = 80125316. Its totient is φ = 20188992.

The previous prime is 40378033. The next prime is 40378049. The reversal of 40378048 is 84087304.

It is not an unprimeable number, because it can be changed into a prime (40378049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315390 + ... + 315517.

Almost surely, 2^40378048 is an apocalyptic number.

It is an amenable number.

40378048 is a deficient number, since it is larger than the sum of its proper divisors (39747268).

40378048 is an equidigital number, since it uses as much as digits as its factorization.

40378048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630919 (or 630909 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 40378048 is about 6354.3723529551. The cubic root of 40378048 is about 343.0692343815.

The spelling of 40378048 in words is "forty million, three hundred seventy-eight thousand, forty-eight".