366502401242 has 4 divisors (see below), whose sum is σ = 549753601866. Its totient is φ = 183251200620.

The previous prime is 366502401241. The next prime is 366502401281. The reversal of 366502401242 is 242104205663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242104205663 = 2687 ⋅90102049.

It can be written as a sum of positive squares in only one way, i.e., 232554453121 + 133947948121 = 482239^2 + 365989^2 .

It is not an unprimeable number, because it can be changed into a prime (366502401241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91625600309 + ... + 91625600312.

Almost surely, 2^366502401242 is an apocalyptic number.

366502401242 is a deficient number, since it is larger than the sum of its proper divisors (183251200624).

366502401242 is a wasteful number, since it uses less digits than its factorization.

366502401242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183251200623.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 366502401242 in words is "three hundred sixty-six billion, five hundred two million, four hundred one thousand, two hundred forty-two".