249846179460 has 48 divisors (see below), whose sum is σ = 704202237312. Its totient is φ = 66184416000.

The previous prime is 249846179447. The next prime is 249846179477. The reversal of 249846179460 is 64971648942.

It is a super-2 number, since 2×249846179460² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 249846179394 and 249846179403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13779361 + ... + 13797480.

It is an arithmetic number, because the mean of its divisors is an integer number (14670879944).

Almost surely, 2^249846179460 is an apocalyptic number.

249846179460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249846179460 is an abundant number, since it is smaller than the sum of its proper divisors (454356057852).

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

249846179460 is a wasteful number, since it uses less digits than its factorization.

249846179460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27577004 (or 27577002 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 249846179460 in words is "two hundred forty-nine billion, eight hundred forty-six million, one hundred seventy-nine thousand, four hundred sixty".