249449534460 has 144 divisors (see below), whose sum is σ = 877665524736. Its totient is φ = 56166016896.

The previous prime is 249449534443. The next prime is 249449534483. The reversal of 249449534460 is 64435944942.

249449534460 is a `hidden beast` number, since 2 + 4 + 9 + 4 + 49 + 534 + 4 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 249449534397 and 249449534406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1393012 + ... + 1561851.

Almost surely, 2^249449534460 is an apocalyptic number.

249449534460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249449534460 is an abundant number, since it is smaller than the sum of its proper divisors (628215990276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249449534460 is a wasteful number, since it uses less digits than its factorization.

249449534460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954952 (or 2954947 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 249449534460 in words is "two hundred forty-nine billion, four hundred forty-nine million, five hundred thirty-four thousand, four hundred sixty".