42400364 has 12 divisors (see below), whose sum is σ = 74250288. Its totient is φ = 21186000.

The previous prime is 42400361. The next prime is 42400367. The reversal of 42400364 is 46300424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42400361) and next prime (42400367).

It is not an unprimeable number, because it can be changed into a prime (42400361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6089 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (6187524).

Almost surely, 2^42400364 is an apocalyptic number.

It is an amenable number.

42400364 is a deficient number, since it is larger than the sum of its proper divisors (31849924).

42400364 is a wasteful number, since it uses less digits than its factorization.

42400364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096 (or 7094 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 42400364 is about 6511.5561888077. The cubic root of 42400364 is about 348.7036781100.

Adding to 42400364 its reverse (46300424), we get a palindrome (88700788).

The spelling of 42400364 in words is "forty-two million, four hundred thousand, three hundred sixty-four".