40519245 has 48 divisors (see below), whose sum is σ = 74269440. Its totient is φ = 18748416.

The previous prime is 40519231. The next prime is 40519291. The reversal of 40519245 is 54291504.

It is not a de Polignac number, because 40519245 - 2⁷ = 40519117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55996 + ... + 56714.

It is an arithmetic number, because the mean of its divisors is an integer number (1547280).

Almost surely, 2^40519245 is an apocalyptic number.

It is an amenable number.

40519245 is a deficient number, since it is larger than the sum of its proper divisors (33750195).

40519245 is a wasteful number, since it uses less digits than its factorization.

40519245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 40519245 is about 6365.4728810985. The cubic root of 40519245 is about 343.4686592773.

The spelling of 40519245 in words is "forty million, five hundred nineteen thousand, two hundred forty-five".