43402455 has 12 divisors (see below), whose sum is σ = 75231000. Its totient is φ = 23147952.

The previous prime is 43402453. The next prime is 43402459. The reversal of 43402455 is 55420434.

43402455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43402455 - 2¹ = 43402453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43402451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482205 + ... + 482294.

It is an arithmetic number, because the mean of its divisors is an integer number (6269250).

Almost surely, 2^43402455 is an apocalyptic number.

43402455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43402455 is a deficient number, since it is larger than the sum of its proper divisors (31828545).

43402455 is a wasteful number, since it uses less digits than its factorization.

43402455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964510 (or 964507 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 43402455 is about 6588.0539615276. The cubic root of 43402455 is about 351.4294060347.

Adding to 43402455 its reverse (55420434), we get a palindrome (98822889).

The spelling of 43402455 in words is "forty-three million, four hundred two thousand, four hundred fifty-five".