40025349 has 24 divisors (see below), whose sum is σ = 71157632. Its totient is φ = 21111840.

The previous prime is 40025311. The next prime is 40025351. The reversal of 40025349 is 94352004.

40025349 is a `hidden beast` number, since 400 + 253 + 4 + 9 = 666.

It is not a de Polignac number, because 40025349 - 2¹⁷ = 39894277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23617 + ... + 25254.

Almost surely, 2^40025349 is an apocalyptic number.

It is an amenable number.

40025349 is a deficient number, since it is larger than the sum of its proper divisors (31132283).

40025349 is a wasteful number, since it uses less digits than its factorization.

40025349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48897 (or 48894 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40025349 is about 6326.5590173490. The cubic root of 40025349 is about 342.0674177136.

The spelling of 40025349 in words is "forty million, twenty-five thousand, three hundred forty-nine".