40672810 has 16 divisors (see below), whose sum is σ = 73392552. Its totient is φ = 16228800.

The previous prime is 40672799. The next prime is 40672811. The reversal of 40672810 is 1827604.

40672810 = T₄₀₃₁ + T₄₀₃₂ + ... + T₄₀₃₅.

40672810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5139289 + 35533521 = 2267^2 + 5961^2 .

It is a super-2 number, since 2×40672810² = 3308554946592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40672811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 621 + ... + 9040.

Almost surely, 2^40672810 is an apocalyptic number.

40672810 is a deficient number, since it is larger than the sum of its proper divisors (32719742).

40672810 is a wasteful number, since it uses less digits than its factorization.

40672810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10089.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 40672810 is about 6377.5238141461. The cubic root of 40672810 is about 343.9020193729.

The spelling of 40672810 in words is "forty million, six hundred seventy-two thousand, eight hundred ten".