40120488 has 64 divisors (see below), whose sum is σ = 112752000. Its totient is φ = 13216896.

The previous prime is 40120477. The next prime is 40120499. The reversal of 40120488 is 88402104.

It is an interprime number because it is at equal distance from previous prime (40120477) and next prime (40120499).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18181 + ... + 20267.

It is an arithmetic number, because the mean of its divisors is an integer number (1761750).

Almost surely, 2^40120488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40120488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56376000).

40120488 is an abundant number, since it is smaller than the sum of its proper divisors (72631512).

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

40120488 is a wasteful number, since it uses less digits than its factorization.

40120488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 40120488 is about 6334.0735707758. The cubic root of 40120488 is about 342.3382310985.

The spelling of 40120488 in words is "forty million, one hundred twenty thousand, four hundred eighty-eight".