40740219 has 32 divisors (see below), whose sum is σ = 66776640. Its totient is φ = 24385536.

The previous prime is 40740209. The next prime is 40740233. The reversal of 40740219 is 91204704.

It is a happy number.

40740219 is a `hidden beast` number, since 407 + 40 + 219 = 666.

It is not a de Polignac number, because 40740219 - 2⁵ = 40740187 is a prime.

It is a super-2 number, since 2×40740219² = 3319530888335922, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 40740192 and 40740201.

It is not an unprimeable number, because it can be changed into a prime (40740209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11419 + ... + 14555.

It is an arithmetic number, because the mean of its divisors is an integer number (2086770).

Almost surely, 2^40740219 is an apocalyptic number.

40740219 is a deficient number, since it is larger than the sum of its proper divisors (26036421).

40740219 is a wasteful number, since it uses less digits than its factorization.

40740219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3190 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 40740219 is about 6382.8065143791. The cubic root of 40740219 is about 344.0919029509.

The spelling of 40740219 in words is "forty million, seven hundred forty thousand, two hundred nineteen".