40870118 has 4 divisors (see below), whose sum is σ = 61305180. Its totient is φ = 20435058.

The previous prime is 40870099. The next prime is 40870127. The reversal of 40870118 is 81107804.

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

It is a Curzon 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, 10217528 + ... + 10217531.

It is an arithmetic number, because the mean of its divisors is an integer number (15326295).

Almost surely, 2^40870118 is an apocalyptic number.

40870118 is a deficient number, since it is larger than the sum of its proper divisors (20435062).

40870118 is a wasteful number, since it uses less digits than its factorization.

40870118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20435061.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 40870118 is about 6392.9741122579. The cubic root of 40870118 is about 344.4572239526.

The spelling of 40870118 in words is "forty million, eight hundred seventy thousand, one hundred eighteen".