40147080 has 64 divisors (see below), whose sum is σ = 122117760. Its totient is φ = 10556928.

The previous prime is 40147073. The next prime is 40147087. The reversal of 40147080 is 8074104.

It is an interprime number because it is at equal distance from previous prime (40147073) and next prime (40147087).

It is a super-2 number, since 2×40147080² = 3223576065052800, 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 40147080.

It is not an unprimeable number, because it can be changed into a prime (40147087) 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, 6469 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (1908090).

Almost surely, 2^40147080 is an apocalyptic number.

40147080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40147080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61058880).

40147080 is an abundant number, since it is smaller than the sum of its proper divisors (81970680).

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

40147080 is a wasteful number, since it uses less digits than its factorization.

40147080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670 (or 4666 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 40147080 is about 6336.1723461408. The cubic root of 40147080 is about 342.4138487207.

The spelling of 40147080 in words is "forty million, one hundred forty-seven thousand, eighty".