40191074 has 48 divisors (see below), whose sum is σ = 79880256. Its totient is φ = 14968800.

The previous prime is 40191059. The next prime is 40191079. The reversal of 40191074 is 47019104.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40191079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23984 + ... + 25604.

It is an arithmetic number, because the mean of its divisors is an integer number (1664172).

Almost surely, 2^40191074 is an apocalyptic number.

40191074 is a deficient number, since it is larger than the sum of its proper divisors (39689182).

40191074 is a wasteful number, since it uses less digits than its factorization.

40191074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 40191074 is about 6339.6430498885. The cubic root of 40191074 is about 342.5388777861.

The spelling of 40191074 in words is "forty million, one hundred ninety-one thousand, seventy-four".