40105470 has 32 divisors (see below), whose sum is σ = 97576992. Its totient is φ = 10547712.

The previous prime is 40105469. The next prime is 40105489. The reversal of 40105470 is 7450104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6967 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (3049281).

Almost surely, 2^40105470 is an apocalyptic number.

40105470 is an abundant number, since it is smaller than the sum of its proper divisors (57471522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40105470 is a wasteful number, since it uses less digits than its factorization.

40105470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18396.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40105470 is about 6332.8879667968. The cubic root of 40105470 is about 342.2955108041.

Adding to 40105470 its reverse (7450104), we get a palindrome (47555574).

The spelling of 40105470 in words is "forty million, one hundred five thousand, four hundred seventy".