40797616 has 20 divisors (see below), whose sum is σ = 79347600. Its totient is φ = 20320832.

The previous prime is 40797553. The next prime is 40797619. The reversal of 40797616 is 61679704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797619) 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, 436 + ... + 9043.

It is an arithmetic number, because the mean of its divisors is an integer number (3967380).

Almost surely, 2^40797616 is an apocalyptic number.

It is an amenable number.

40797616 is a deficient number, since it is larger than the sum of its proper divisors (38549984).

40797616 is a wasteful number, since it uses less digits than its factorization.

40797616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756 (or 9750 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 40797616 is about 6387.3011515037. The cubic root of 40797616 is about 344.2534188175.

The spelling of 40797616 in words is "forty million, seven hundred ninety-seven thousand, six hundred sixteen".