40120332 has 24 divisors (see below), whose sum is σ = 106987776. Its totient is φ = 11462928.

The previous prime is 40120319. The next prime is 40120351. The reversal of 40120332 is 23302104.

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, 238728 + ... + 238895.

It is an arithmetic number, because the mean of its divisors is an integer number (4457824).

Almost surely, 2^40120332 is an apocalyptic number.

40120332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40120332 is an abundant number, since it is smaller than the sum of its proper divisors (66867444).

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

40120332 is a wasteful number, since it uses less digits than its factorization.

40120332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477637 (or 477635 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40120332 is about 6334.0612564136. The cubic root of 40120332 is about 342.3377873948.

Adding to 40120332 its reverse (23302104), we get a palindrome (63422436).

The spelling of 40120332 in words is "forty million, one hundred twenty thousand, three hundred thirty-two".