1048945742220 has 48 divisors (see below), whose sum is σ = 2937097900800. Its totient is φ = 279714119616.

The previous prime is 1048945742183. The next prime is 1048945742227. The reversal of 1048945742220 is 222475498401.

It is a happy number.

It is a super-2 number, since 2×1048945742220² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1048945742220.

It is not an unprimeable number, because it can be changed into a prime (1048945742227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4762081 + ... + 4977479.

It is an arithmetic number, because the mean of its divisors is an integer number (61189539600).

Almost surely, 2^{1048945742220} is an apocalyptic number.

1048945742220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1048945742220 is an abundant number, since it is smaller than the sum of its proper divisors (1888152158580).

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

1048945742220 is a wasteful number, since it uses less digits than its factorization.

1048945742220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296574 (or 296572 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 1048945742220 in words is "one trillion, forty-eight billion, nine hundred forty-five million, seven hundred forty-two thousand, two hundred twenty".