40519149 has 12 divisors (see below), whose sum is σ = 59383968. Its totient is φ = 24556840.

The previous prime is 40519133. The next prime is 40519159. The reversal of 40519149 is 94191504.

It is not a de Polignac number, because 40519149 - 2⁴ = 40519133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40519159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55449 + ... + 56174.

It is an arithmetic number, because the mean of its divisors is an integer number (4948664).

Almost surely, 2^40519149 is an apocalyptic number.

It is an amenable number.

40519149 is a deficient number, since it is larger than the sum of its proper divisors (18864819).

40519149 is a wasteful number, since it uses less digits than its factorization.

40519149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111648 (or 111637 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 40519149 is about 6365.4653404131. The cubic root of 40519149 is about 343.4683880233.

The spelling of 40519149 in words is "forty million, five hundred nineteen thousand, one hundred forty-nine".