40471654 has 4 divisors (see below), whose sum is σ = 60707484. Its totient is φ = 20235826.

The previous prime is 40471597. The next prime is 40471661. The reversal of 40471654 is 45617404.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117912 + ... + 10117915.

It is an arithmetic number, because the mean of its divisors is an integer number (15176871).

Almost surely, 2^40471654 is an apocalyptic number.

40471654 is a deficient number, since it is larger than the sum of its proper divisors (20235830).

40471654 is a wasteful number, since it uses less digits than its factorization.

40471654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235829.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 40471654 is about 6361.7335687688. The cubic root of 40471654 is about 343.3341353758.

The spelling of 40471654 in words is "forty million, four hundred seventy-one thousand, six hundred fifty-four".