40749454 has 8 divisors (see below), whose sum is σ = 61185600. Its totient is φ = 20354256.

The previous prime is 40749439. The next prime is 40749461. The reversal of 40749454 is 45494704.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×40749454⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7614 + ... + 11809.

It is an arithmetic number, because the mean of its divisors is an integer number (7648200).

Almost surely, 2^40749454 is an apocalyptic number.

40749454 is a deficient number, since it is larger than the sum of its proper divisors (20436146).

40749454 is a wasteful number, since it uses less digits than its factorization.

40749454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20474.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 40749454 is about 6383.5299012380. The cubic root of 40749454 is about 344.1179005910.

The spelling of 40749454 in words is "forty million, seven hundred forty-nine thousand, four hundred fifty-four".