40451230 has 16 divisors (see below), whose sum is σ = 75323520. Its totient is φ = 15622432.

The previous prime is 40451219. The next prime is 40451233. The reversal of 40451230 is 3215404.

It is a junction number, because it is equal to n+sod(n) for n = 40451198 and 40451207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40451233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69454 + ... + 70033.

It is an arithmetic number, because the mean of its divisors is an integer number (4707720).

Almost surely, 2^40451230 is an apocalyptic number.

40451230 is a deficient number, since it is larger than the sum of its proper divisors (34872290).

40451230 is a wasteful number, since it uses less digits than its factorization.

40451230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139523.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40451230 is about 6360.1281433632. The cubic root of 40451230 is about 343.2763711912.

Adding to 40451230 its reverse (3215404), we get a palindrome (43666634).

The spelling of 40451230 in words is "forty million, four hundred fifty-one thousand, two hundred thirty".