40470477 has 4 divisors (see below), whose sum is σ = 53960640. Its totient is φ = 26980316.

The previous prime is 40470427. The next prime is 40470481. The reversal of 40470477 is 77407404.

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 40470477 - 2⁶ = 40470413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40470427) 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, 6745077 + ... + 6745082.

It is an arithmetic number, because the mean of its divisors is an integer number (13490160).

Almost surely, 2^40470477 is an apocalyptic number.

It is an amenable number.

40470477 is a deficient number, since it is larger than the sum of its proper divisors (13490163).

40470477 is a wasteful number, since it uses less digits than its factorization.

40470477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13490162.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 40470477 is about 6361.6410618645. The cubic root of 40470477 is about 343.3308070530.

The spelling of 40470477 in words is "forty million, four hundred seventy thousand, four hundred seventy-seven".