40849407 has 16 divisors (see below), whose sum is σ = 61995360. Its totient is φ = 26568000.

The previous prime is 40849381. The next prime is 40849409. The reversal of 40849407 is 70494804.

It is not a de Polignac number, because 40849407 - 2⁶ = 40849343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40849409) 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, 17344 + ... + 19557.

It is an arithmetic number, because the mean of its divisors is an integer number (3874710).

Almost surely, 2^40849407 is an apocalyptic number.

40849407 is a deficient number, since it is larger than the sum of its proper divisors (21145953).

40849407 is a wasteful number, since it uses less digits than its factorization.

40849407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36951 (or 36945 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 40849407 is about 6391.3540818828. The cubic root of 40849407 is about 344.3990293651.

The spelling of 40849407 in words is "forty million, eight hundred forty-nine thousand, four hundred seven".