40311552 has 36 divisors (see below), whose sum is σ = 107289560. Its totient is φ = 13436928.

The previous prime is 40311527. The next prime is 40311553. The reversal of 40311552 is 25511304.

It is not an unprimeable number, because it can be changed into a prime (40311553) 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, 25477 + ... + 27012.

Almost surely, 2^40311552 is an apocalyptic number.

It is an amenable number.

40311552 is an abundant number, since it is smaller than the sum of its proper divisors (66978008).

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

40311552 is an equidigital number, since it uses as much as digits as its factorization.

40311552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52508 (or 52494 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 40311552 is about 6349.1378942341. The cubic root of 40311552 is about 342.8808047162.

Adding to 40311552 its reverse (25511304), we get a palindrome (65822856).

The spelling of 40311552 in words is "forty million, three hundred eleven thousand, five hundred fifty-two".