40247361 has 64 divisors (see below), whose sum is σ = 75571200. Its totient is φ = 20820240.

The previous prime is 40247357. The next prime is 40247371. The reversal of 40247361 is 16374204.

It is not a de Polignac number, because 40247361 - 2² = 40247357 is a prime.

It is a super-3 number, since 3×40247361³ (a number of 24 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (40247321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 168280 + ... + 168518.

It is an arithmetic number, because the mean of its divisors is an integer number (1180800).

Almost surely, 2^40247361 is an apocalyptic number.

It is an amenable number.

40247361 is a deficient number, since it is larger than the sum of its proper divisors (35323839).

40247361 is an equidigital number, since it uses as much as digits as its factorization.

40247361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40247361 is about 6344.0807844793. The cubic root of 40247361 is about 342.6987100591.

The spelling of 40247361 in words is "forty million, two hundred forty-seven thousand, three hundred sixty-one".