40503372 has 96 divisors (see below), whose sum is σ = 120422400. Its totient is φ = 10305792.

The previous prime is 40503371. The next prime is 40503373. The reversal of 40503372 is 27330504.

It is an interprime number because it is at equal distance from previous prime (40503371) and next prime (40503373).

It is not an unprimeable number, because it can be changed into a prime (40503371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31029 + ... + 32307.

It is an arithmetic number, because the mean of its divisors is an integer number (1254400).

Almost surely, 2^40503372 is an apocalyptic number.

40503372 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 40503372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60211200).

40503372 is an abundant number, since it is smaller than the sum of its proper divisors (79919028).

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

40503372 is a wasteful number, since it uses less digits than its factorization.

40503372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 40503372 is about 6364.2259545054. The cubic root of 40503372 is about 343.4238033075.

Adding to 40503372 its reverse (27330504), we get a palindrome (67833876).

The spelling of 40503372 in words is "forty million, five hundred three thousand, three hundred seventy-two".