40350402 has 24 divisors (see below), whose sum is σ = 88861500. Its totient is φ = 13229280.

The previous prime is 40350377. The next prime is 40350403. The reversal of 40350402 is 20405304.

It is a happy number.

40350402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30371121 + 9979281 = 5511^2 + 3159^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40350403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17277 + ... + 19472.

Almost surely, 2^40350402 is an apocalyptic number.

40350402 is an abundant number, since it is smaller than the sum of its proper divisors (48511098).

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

40350402 is a wasteful number, since it uses less digits than its factorization.

40350402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36818 (or 36815 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 40350402 is about 6352.1966279390. The cubic root of 40350402 is about 342.9909190761.

Adding to 40350402 its reverse (20405304), we get a palindrome (60755706).

It can be divided in two parts, 403 and 50402, that added together give a palindrome (50805).

The spelling of 40350402 in words is "forty million, three hundred fifty thousand, four hundred two".