40635480 has 64 divisors (see below), whose sum is σ = 127215360. Its totient is φ = 10364288.

The previous prime is 40635479. The next prime is 40635487. The reversal of 40635480 is 8453604.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40635487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4602 + ... + 10121.

It is an arithmetic number, because the mean of its divisors is an integer number (1987740).

Almost surely, 2^40635480 is an apocalyptic number.

40635480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40635480 is an abundant number, since it is smaller than the sum of its proper divisors (86579880).

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

40635480 is a wasteful number, since it uses less digits than its factorization.

40635480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14760 (or 14756 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40635480 is about 6374.5964578160. The cubic root of 40635480 is about 343.7967746818.

The spelling of 40635480 in words is "forty million, six hundred thirty-five thousand, four hundred eighty".