40457194 has 16 divisors (see below), whose sum is σ = 64003680. Its totient is φ = 19126800.

The previous prime is 40457171. The next prime is 40457227. The reversal of 40457194 is 49175404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37969 + ... + 39019.

It is an arithmetic number, because the mean of its divisors is an integer number (4000230).

Almost surely, 2^40457194 is an apocalyptic number.

40457194 is a deficient number, since it is larger than the sum of its proper divisors (23546486).

40457194 is a wasteful number, since it uses less digits than its factorization.

40457194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 40457194 is about 6360.5969845605. The cubic root of 40457194 is about 343.2932408856.

The spelling of 40457194 in words is "forty million, four hundred fifty-seven thousand, one hundred ninety-four".