40972894 has 8 divisors (see below), whose sum is σ = 62888760. Its totient is φ = 20009976.

The previous prime is 40972879. The next prime is 40972901. The reversal of 40972894 is 49827904.

40972894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 40972894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238129 + ... + 238300.

It is an arithmetic number, because the mean of its divisors is an integer number (7861095).

Almost surely, 2^40972894 is an apocalyptic number.

40972894 is a deficient number, since it is larger than the sum of its proper divisors (21915866).

40972894 is a wasteful number, since it uses less digits than its factorization.

40972894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476474.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 40972894 is about 6401.0072644858. The cubic root of 40972894 is about 344.7457175490.

The spelling of 40972894 in words is "forty million, nine hundred seventy-two thousand, eight hundred ninety-four".