40719477 has 4 divisors (see below), whose sum is σ = 54292640. Its totient is φ = 27146316.

The previous prime is 40719439. The next prime is 40719493. The reversal of 40719477 is 77491704.

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 not a de Polignac number, because 40719477 - 2⁸ = 40719221 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 (40719377) 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, 6786577 + ... + 6786582.

It is an arithmetic number, because the mean of its divisors is an integer number (13573160).

Almost surely, 2^40719477 is an apocalyptic number.

It is an amenable number.

40719477 is a deficient number, since it is larger than the sum of its proper divisors (13573163).

40719477 is a wasteful number, since it uses less digits than its factorization.

40719477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13573162.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 40719477 is about 6381.1814736771. The cubic root of 40719477 is about 344.0334973916.

The spelling of 40719477 in words is "forty million, seven hundred nineteen thousand, four hundred seventy-seven".