40070461 has 4 divisors (see below), whose sum is σ = 40923072. Its totient is φ = 39217852.

The previous prime is 40070447. The next prime is 40070477. The reversal of 40070461 is 16407004.

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 40070461 - 2⁷ = 40070333 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 (40070861) 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, 426235 + ... + 426328.

It is an arithmetic number, because the mean of its divisors is an integer number (10230768).

Almost surely, 2^40070461 is an apocalyptic number.

It is an amenable number.

40070461 is a deficient number, since it is larger than the sum of its proper divisors (852611).

40070461 is an equidigital number, since it uses as much as digits as its factorization.

40070461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852610.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40070461 is about 6330.1233005369. The cubic root of 40070461 is about 342.1958825647.

Adding to 40070461 its reverse (16407004), we get a palindrome (56477465).

The spelling of 40070461 in words is "forty million, seventy thousand, four hundred sixty-one".