40207480 has 16 divisors (see below), whose sum is σ = 90466920. Its totient is φ = 16082976.

The previous prime is 40207471. The next prime is 40207481. The reversal of 40207480 is 8470204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40207481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502554 + ... + 502633.

Almost surely, 2^40207480 is an apocalyptic number.

40207480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40207480 is an abundant number, since it is smaller than the sum of its proper divisors (50259440).

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

40207480 is a wasteful number, since it uses less digits than its factorization.

40207480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005198 (or 1005194 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 40207480 is about 6340.9368393006. The cubic root of 40207480 is about 342.5854795793.

Adding to 40207480 its reverse (8470204), we get a palindrome (48677684).

The spelling of 40207480 in words is "forty million, two hundred seven thousand, four hundred eighty".