40146430 has 16 divisors (see below), whose sum is σ = 76067280. Its totient is φ = 15213312.

The previous prime is 40146419. The next prime is 40146451. The reversal of 40146430 is 3464104.

It is a happy number.

It is a super-2 number, since 2×40146430² = 3223471683489800, which contains 22 as substring.

It is a congruent number.

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, 105459 + ... + 105838.

It is an arithmetic number, because the mean of its divisors is an integer number (4754205).

Almost surely, 2^40146430 is an apocalyptic number.

40146430 is a deficient number, since it is larger than the sum of its proper divisors (35920850).

40146430 is a wasteful number, since it uses less digits than its factorization.

40146430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211323.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40146430 is about 6336.1210531365. The cubic root of 40146430 is about 342.4120007640.

The spelling of 40146430 in words is "forty million, one hundred forty-six thousand, four hundred thirty".