40797901 has 4 divisors (see below), whose sum is σ = 40817632. Its totient is φ = 40778172.

The previous prime is 40797899. The next prime is 40797907. The reversal of 40797901 is 10979704.

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 40797901 - 2¹ = 40797899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797907) 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, 6345 + ... + 11038.

It is an arithmetic number, because the mean of its divisors is an integer number (10204408).

Almost surely, 2^40797901 is an apocalyptic number.

It is an amenable number.

40797901 is a deficient number, since it is larger than the sum of its proper divisors (19731).

40797901 is a wasteful number, since it uses less digits than its factorization.

40797901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 40797901 is about 6387.3234613569. The cubic root of 40797901 is about 344.2542204329.

The spelling of 40797901 in words is "forty million, seven hundred ninety-seven thousand, nine hundred one".