40380352 has 28 divisors (see below), whose sum is σ = 82718656. Its totient is φ = 19537920.

The previous prime is 40380343. The next prime is 40380359. The reversal of 40380352 is 25308304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40380359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8193 + ... + 12160.

Almost surely, 2^40380352 is an apocalyptic number.

It is an amenable number.

40380352 is an abundant number, since it is smaller than the sum of its proper divisors (42338304).

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

40380352 is a wasteful number, since it uses less digits than its factorization.

40380352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20396 (or 20386 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40380352 is about 6354.5536428612. The cubic root of 40380352 is about 343.0757595152.

Adding to 40380352 its reverse (25308304), we get a palindrome (65688656).

The spelling of 40380352 in words is "forty million, three hundred eighty thousand, three hundred fifty-two".