40049410 has 16 divisors (see below), whose sum is σ = 72177336. Its totient is φ = 16000128.

The previous prime is 40049389. The next prime is 40049411. The reversal of 40049410 is 1494004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36711481 + 3337929 = 6059^2 + 1827^2 .

It is not an unprimeable number, because it can be changed into a prime (40049411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8392 + ... + 12268.

Almost surely, 2^40049410 is an apocalyptic number.

40049410 is a deficient number, since it is larger than the sum of its proper divisors (32127926).

40049410 is a wasteful number, since it uses less digits than its factorization.

40049410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40049410 is about 6328.4603182765. The cubic root of 40049410 is about 342.1359479131.

The spelling of 40049410 in words is "forty million, forty-nine thousand, four hundred ten".