40378010 has 16 divisors (see below), whose sum is σ = 73213416. Its totient is φ = 16032768.

The previous prime is 40378003. The next prime is 40378033. The reversal of 40378010 is 1087304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29041321 + 11336689 = 5389^2 + 3367^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13367 + ... + 16106.

Almost surely, 2^40378010 is an apocalyptic number.

40378010 is a deficient number, since it is larger than the sum of its proper divisors (32835406).

40378010 is a wasteful number, since it uses less digits than its factorization.

40378010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29617.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40378010 is about 6354.3693628872. The cubic root of 40378010 is about 343.0691267601.

The spelling of 40378010 in words is "forty million, three hundred seventy-eight thousand, ten".