40972430 has 16 divisors (see below), whose sum is σ = 76957344. Its totient is φ = 15676320.

The previous prime is 40972429. The next prime is 40972441. The reversal of 40972430 is 3427904.

It is a junction number, because it is equal to n+sod(n) for n = 40972393 and 40972402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88841 + ... + 89300.

It is an arithmetic number, because the mean of its divisors is an integer number (4809834).

Almost surely, 2^40972430 is an apocalyptic number.

40972430 is a deficient number, since it is larger than the sum of its proper divisors (35984914).

40972430 is a wasteful number, since it uses less digits than its factorization.

40972430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178171.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40972430 is about 6400.9710200875. The cubic root of 40972430 is about 344.7444161795.

The spelling of 40972430 in words is "forty million, nine hundred seventy-two thousand, four hundred thirty".