40353402 has 16 divisors (see below), whose sum is σ = 81159840. Its totient is φ = 13375632.

The previous prime is 40353373. The next prime is 40353433. The reversal of 40353402 is 20435304.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17713 + ... + 19860.

It is an arithmetic number, because the mean of its divisors is an integer number (5072490).

Almost surely, 2^40353402 is an apocalyptic number.

40353402 is an abundant number, since it is smaller than the sum of its proper divisors (40806438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40353402 is a wasteful number, since it uses less digits than its factorization.

40353402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37757.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40353402 is about 6352.4327623360. The cubic root of 40353402 is about 342.9994191753. Note that the first 3 decimals are identical.

Adding to 40353402 its reverse (20435304), we get a palindrome (60788706).

It can be divided in two parts, 40353 and 402, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40353402 in words is "forty million, three hundred fifty-three thousand, four hundred two".