40419136 has 14 divisors (see below), whose sum is σ = 80206850. Its totient is φ = 20209536.

The previous prime is 40419131. The next prime is 40419163. The reversal of 40419136 is 63191404.

It can be written as a sum of positive squares in only one way, i.e., 32262400 + 8156736 = 5680^2 + 2856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40419131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315711 + ... + 315838.

Almost surely, 2^40419136 is an apocalyptic number.

It is an amenable number.

40419136 is a deficient number, since it is larger than the sum of its proper divisors (39787714).

40419136 is an equidigital number, since it uses as much as digits as its factorization.

40419136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631561 (or 631551 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 40419136 is about 6357.6045803431. The cubic root of 40419136 is about 343.1855620299.

The spelling of 40419136 in words is "forty million, four hundred nineteen thousand, one hundred thirty-six".