1361940048 has 80 divisors (see below), whose sum is σ = 4467749760. Its totient is φ = 389124864.

The previous prime is 1361940029. The next prime is 1361940053. The reversal of 1361940048 is 8400491631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1361939994 and 1361940021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222165 + ... + 228212.

It is an arithmetic number, because the mean of its divisors is an integer number (55846872).

Almost surely, 2^1361940048 is an apocalyptic number.

1361940048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1361940048 is an abundant number, since it is smaller than the sum of its proper divisors (3105809712).

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

1361940048 is a wasteful number, since it uses less digits than its factorization.

1361940048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450401 (or 450389 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1361940048 is about 36904.4719241449. The cubic root of 1361940048 is about 1108.4582247162.

The spelling of 1361940048 in words is "one billion, three hundred sixty-one million, nine hundred forty thousand, forty-eight".