40507980 has 24 divisors (see below), whose sum is σ = 113422512. Its totient is φ = 10802112.

The previous prime is 40507967. The next prime is 40507993. The reversal of 40507980 is 8970504.

It is an interprime number because it is at equal distance from previous prime (40507967) and next prime (40507993).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 337507 + ... + 337626.

It is an arithmetic number, because the mean of its divisors is an integer number (4725938).

Almost surely, 2^40507980 is an apocalyptic number.

It is an amenable number.

40507980 is an abundant number, since it is smaller than the sum of its proper divisors (72914532).

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

40507980 is a wasteful number, since it uses less digits than its factorization.

40507980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675145 (or 675143 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 40507980 is about 6364.5879678106. The cubic root of 40507980 is about 343.4368263950.

The spelling of 40507980 in words is "forty million, five hundred seven thousand, nine hundred eighty".