40988747 has 8 divisors (see below), whose sum is σ = 42272256. Its totient is φ = 39722472.

The previous prime is 40988741. The next prime is 40988749. The reversal of 40988747 is 74788904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40988747 - 2²⁰ = 39940171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40988741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (5284032).

Almost surely, 2^40988747 is an apocalyptic number.

40988747 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40988747 is a deficient number, since it is larger than the sum of its proper divisors (1283509).

40988747 is a wasteful number, since it uses less digits than its factorization.

40988747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 40988747 is about 6402.2454654598. The cubic root of 40988747 is about 344.7901741691.

The spelling of 40988747 in words is "forty million, nine hundred eighty-eight thousand, seven hundred forty-seven".