40864874 has 4 divisors (see below), whose sum is σ = 61297314. Its totient is φ = 20432436.

The previous prime is 40864853. The next prime is 40864891. The reversal of 40864874 is 47846804.

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

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 351649 = 6365^2 + 593^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10216217 + ... + 10216220.

Almost surely, 2^40864874 is an apocalyptic number.

40864874 is a deficient number, since it is larger than the sum of its proper divisors (20432440).

40864874 is a wasteful number, since it uses less digits than its factorization.

40864874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20432439.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 40864874 is about 6392.5639613538. The cubic root of 40864874 is about 344.4424910129.

The spelling of 40864874 in words is "forty million, eight hundred sixty-four thousand, eight hundred seventy-four".