40745801 has 4 divisors (see below), whose sum is σ = 40900992. Its totient is φ = 40590612.

The previous prime is 40745797. The next prime is 40745827. The reversal of 40745801 is 10854704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40745801 - 2² = 40745797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40745701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77201 + ... + 77726.

It is an arithmetic number, because the mean of its divisors is an integer number (10225248).

Almost surely, 2^40745801 is an apocalyptic number.

It is an amenable number.

40745801 is a deficient number, since it is larger than the sum of its proper divisors (155191).

40745801 is a wasteful number, since it uses less digits than its factorization.

40745801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155190.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 40745801 is about 6383.2437678660. The cubic root of 40745801 is about 344.1076174245.

The spelling of 40745801 in words is "forty million, seven hundred forty-five thousand, eight hundred one".