40744158 has 32 divisors (see below), whose sum is σ = 100294656. Its totient is φ = 10745568.

The previous prime is 40744153. The next prime is 40744163. The reversal of 40744158 is 85144704.

It is an interprime number because it is at equal distance from previous prime (40744153) and next prime (40744163).

It is a super-2 number, since 2×40744158² = 3320172822257928, which contains 22 as substring.

40744158 is a modest number, since divided by 4158 gives 4074 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40744153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36766 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (3134208).

Almost surely, 2^40744158 is an apocalyptic number.

40744158 is an abundant number, since it is smaller than the sum of its proper divisors (59550498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40744158 is a wasteful number, since it uses less digits than its factorization.

40744158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74648.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 40744158 is about 6383.1150702459. The cubic root of 40744158 is about 344.1029921919.

The spelling of 40744158 in words is "forty million, seven hundred forty-four thousand, one hundred fifty-eight".