40013198 has 16 divisors (see below), whose sum is σ = 62001936. Its totient is φ = 19356480.

The previous prime is 40013173. The next prime is 40013201. The reversal of 40013198 is 89131004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5153 + ... + 10323.

It is an arithmetic number, because the mean of its divisors is an integer number (3875121).

Almost surely, 2^40013198 is an apocalyptic number.

40013198 is a deficient number, since it is larger than the sum of its proper divisors (21988738).

40013198 is a wasteful number, since it uses less digits than its factorization.

40013198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 40013198 is about 6325.5986277980. The cubic root of 40013198 is about 342.0327989701.

The spelling of 40013198 in words is "forty million, thirteen thousand, one hundred ninety-eight".