40797477 has 12 divisors (see below), whose sum is σ = 67348320. Its totient is φ = 23312808.

The previous prime is 40797443. The next prime is 40797479. The reversal of 40797477 is 77479704.

It is not a de Polignac number, because 40797477 - 2⁶ = 40797413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323727 + ... + 323852.

It is an arithmetic number, because the mean of its divisors is an integer number (5612360).

Almost surely, 2^40797477 is an apocalyptic number.

It is an amenable number.

40797477 is a deficient number, since it is larger than the sum of its proper divisors (26550843).

40797477 is a wasteful number, since it uses less digits than its factorization.

40797477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647592 (or 647589 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 40797477 is about 6387.2902705294. The cubic root of 40797477 is about 344.2530278528.

The spelling of 40797477 in words is "forty million, seven hundred ninety-seven thousand, four hundred seventy-seven".