40535402 has 16 divisors (see below), whose sum is σ = 61952352. Its totient is φ = 19887120.

The previous prime is 40535399. The next prime is 40535431. The reversal of 40535402 is 20453504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49577 + ... + 50387.

It is an arithmetic number, because the mean of its divisors is an integer number (3872022).

Almost surely, 2^40535402 is an apocalyptic number.

40535402 is a deficient number, since it is larger than the sum of its proper divisors (21416950).

40535402 is a wasteful number, since it uses less digits than its factorization.

40535402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40535402 is about 6366.7418669206. The cubic root of 40535402 is about 343.5143057817.

Adding to 40535402 its reverse (20453504), we get a palindrome (60988906).

The spelling of 40535402 in words is "forty million, five hundred thirty-five thousand, four hundred two".