40975149 has 16 divisors (see below), whose sum is σ = 56793600. Its totient is φ = 26249280.

The previous prime is 40975141. The next prime is 40975163. The reversal of 40975149 is 94157904.

It is not a de Polignac number, because 40975149 - 2³ = 40975141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40975141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12379 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (3549600).

Almost surely, 2^40975149 is an apocalyptic number.

It is an amenable number.

40975149 is a deficient number, since it is larger than the sum of its proper divisors (15818451).

40975149 is a wasteful number, since it uses less digits than its factorization.

40975149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 40975149 is about 6401.1834062148. The cubic root of 40975149 is about 344.7520419524.

The spelling of 40975149 in words is "forty million, nine hundred seventy-five thousand, one hundred forty-nine".