40162304 has 88 divisors (see below), whose sum is σ = 99042048. Its totient is φ = 15851520.

The previous prime is 40162273. The next prime is 40162307. The reversal of 40162304 is 40326104.

It is a happy number.

It is a super-2 number, since 2×40162304² = 3226021325176832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40162307) 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, 92969 + ... + 93399.

Almost surely, 2^40162304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40162304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49521024).

40162304 is an abundant number, since it is smaller than the sum of its proper divisors (58879744).

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

40162304 is a wasteful number, since it uses less digits than its factorization.

40162304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40162304 is about 6337.3735884829. The cubic root of 40162304 is about 342.4571250076.

Adding to 40162304 its reverse (40326104), we get a palindrome (80488408).

The spelling of 40162304 in words is "forty million, one hundred sixty-two thousand, three hundred four".