40318152 has 128 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 10257408.

The previous prime is 40318111. The next prime is 40318183. The reversal of 40318152 is 25181304.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53893 + ... + 54635.

It is an arithmetic number, because the mean of its divisors is an integer number (1004400).

Almost surely, 2^40318152 is an apocalyptic number.

40318152 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40318152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64281600).

40318152 is an abundant number, since it is smaller than the sum of its proper divisors (88245048).

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

40318152 is a wasteful number, since it uses less digits than its factorization.

40318152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 40318152 is about 6349.6576285655. The cubic root of 40318152 is about 342.8995163898.

Adding to 40318152 its reverse (25181304), we get a palindrome (65499456).

It can be divided in two parts, 40318 and 152, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 40318152 in words is "forty million, three hundred eighteen thousand, one hundred fifty-two".