1400040118 has 8 divisors (see below), whose sum is σ = 2210589720. Its totient is φ = 663176880.

The previous prime is 1400040113. The next prime is 1400040157. The reversal of 1400040118 is 8110400041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1400040118² = 3920224664018907848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1400040095 and 1400040104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400040113) 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, 18421543 + ... + 18421618.

It is an arithmetic number, because the mean of its divisors is an integer number (276323715).

Almost surely, 2^1400040118 is an apocalyptic number.

1400040118 is a deficient number, since it is larger than the sum of its proper divisors (810549602).

1400040118 is a wasteful number, since it uses less digits than its factorization.

1400040118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36843182.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1400040118 is about 37417.1099632240. The cubic root of 1400040118 is about 1118.6996275896.

Adding to 1400040118 its reverse (8110400041), we get a palindrome (9510440159).

The spelling of 1400040118 in words is "one billion, four hundred million, forty thousand, one hundred eighteen".