40149337 has 6 divisors (see below), whose sum is σ = 42374058. Its totient is φ = 38035872.

The previous prime is 40149331. The next prime is 40149353. The reversal of 40149337 is 73394104.

It can be written as a sum of positive squares in only one way, i.e., 37896336 + 2253001 = 6156^2 + 1501^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40149337 is a prime.

It is a super-2 number, since 2×40149337² = 3223938523079138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40149299 and 40149308.

It is not an unprimeable number, because it can be changed into a prime (40149331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55248 + ... + 55969.

It is an arithmetic number, because the mean of its divisors is an integer number (7062343).

Almost surely, 2^40149337 is an apocalyptic number.

It is an amenable number.

40149337 is a deficient number, since it is larger than the sum of its proper divisors (2224721).

40149337 is a wasteful number, since it uses less digits than its factorization.

40149337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111255 (or 111236 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40149337 is about 6336.3504480103. The cubic root of 40149337 is about 342.4202652403.

The spelling of 40149337 in words is "forty million, one hundred forty-nine thousand, three hundred thirty-seven".