40199149407 has 4 divisors (see below), whose sum is σ = 53598865880. Its totient is φ = 26799432936.

The previous prime is 40199149381. The next prime is 40199149409. The reversal of 40199149407 is 70494199104.

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

It is a de Polignac number, because none of the positive numbers 2^k-40199149407 is a prime.

It is a super-2 number, since 2×40199149407² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40199149409) 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, 6699858232 + ... + 6699858237.

It is an arithmetic number, because the mean of its divisors is an integer number (13399716470).

Almost surely, 2^40199149407 is an apocalyptic number.

40199149407 is a deficient number, since it is larger than the sum of its proper divisors (13399716473).

40199149407 is a wasteful number, since it uses less digits than its factorization.

40199149407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13399716472.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 40199149407 in words is "forty billion, one hundred ninety-nine million, one hundred forty-nine thousand, four hundred seven".