249074418406 has 16 divisors (see below), whose sum is σ = 418591898640. Its totient is φ = 110155762080.

The previous prime is 249074418403. The next prime is 249074418427. The reversal of 249074418406 is 604814470942.

It is a self number, because there is not a number n which added to its sum of digits gives 249074418406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249074418403) 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, 152993301 + ... + 152994928.

It is an arithmetic number, because the mean of its divisors is an integer number (26161993665).

Almost surely, 2^249074418406 is an apocalyptic number.

249074418406 is a deficient number, since it is larger than the sum of its proper divisors (169517480234).

249074418406 is a wasteful number, since it uses less digits than its factorization.

249074418406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305988279.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 249074418406 in words is "two hundred forty-nine billion, seventy-four million, four hundred eighteen thousand, four hundred six".