40503480 has 32 divisors (see below), whose sum is σ = 121510800. Its totient is φ = 10800896.

The previous prime is 40503479. The next prime is 40503481. The reversal of 40503480 is 8430504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40503479) and next prime (40503481).

It is a super-2 number, since 2×40503480² = 3281063784220800, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40503480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40503481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168645 + ... + 168884.

Almost surely, 2^40503480 is an apocalyptic number.

40503480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40503480 is an abundant number, since it is smaller than the sum of its proper divisors (81007320).

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

40503480 is a wasteful number, since it uses less digits than its factorization.

40503480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337543 (or 337539 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40503480 is about 6364.2344394279. The cubic root of 40503480 is about 343.4241085474.

Adding to 40503480 its reverse (8430504), we get a palindrome (48933984).

The spelling of 40503480 in words is "forty million, five hundred three thousand, four hundred eighty".