40154304 has 56 divisors (see below), whose sum is σ = 106761280. Its totient is φ = 13319424.

The previous prime is 40154291. The next prime is 40154311. The reversal of 40154304 is 40345104.

It is a super-2 number, since 2×40154304² = 3224736259448832, which contains 22 as substring.

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, 53967 + ... + 54705.

Almost surely, 2^40154304 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 40154304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53380640).

40154304 is an abundant number, since it is smaller than the sum of its proper divisors (66606976).

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

40154304 is a wasteful number, since it uses less digits than its factorization.

40154304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40154304 is about 6336.7423807505. The cubic root of 40154304 is about 342.4343852852.

Adding to 40154304 its reverse (40345104), we get a palindrome (80499408).

The spelling of 40154304 in words is "forty million, one hundred fifty-four thousand, three hundred four".