40080149 has 4 divisors (see below), whose sum is σ = 40109664. Its totient is φ = 40050636.

The previous prime is 40080127. The next prime is 40080163. The reversal of 40080149 is 94108004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40080149 - 2¹² = 40076053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40080199) 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, 12617 + ... + 15470.

It is an arithmetic number, because the mean of its divisors is an integer number (10027416).

Almost surely, 2^40080149 is an apocalyptic number.

It is an amenable number.

40080149 is a deficient number, since it is larger than the sum of its proper divisors (29515).

40080149 is a wasteful number, since it uses less digits than its factorization.

40080149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29514.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 40080149 is about 6330.8884842493. Note that the first 3 decimals coincide. The cubic root of 40080149 is about 342.2234583773.

The spelling of 40080149 in words is "forty million, eighty thousand, one hundred forty-nine".