40971046 has 4 divisors (see below), whose sum is σ = 61456572. Its totient is φ = 20485522.

The previous prime is 40971043. The next prime is 40971079. The reversal of 40971046 is 64017904.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40971046² = 3357253220668232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40970999 and 40971017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40971043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10242760 + ... + 10242763.

It is an arithmetic number, because the mean of its divisors is an integer number (15364143).

Almost surely, 2^40971046 is an apocalyptic number.

40971046 is a deficient number, since it is larger than the sum of its proper divisors (20485526).

40971046 is a wasteful number, since it uses less digits than its factorization.

40971046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20485525.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 40971046 is about 6400.8629105770. The cubic root of 40971046 is about 344.7405344502.

The spelling of 40971046 in words is "forty million, nine hundred seventy-one thousand, forty-six".