1942641456 has 120 divisors (see below), whose sum is σ = 6091824384. Its totient is φ = 530893440.

The previous prime is 1942641413. The next prime is 1942641457. The reversal of 1942641456 is 6541462491.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1942641457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36141 + ... + 72051.

Almost surely, 2^1942641456 is an apocalyptic number.

1942641456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1942641456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045912192).

1942641456 is an abundant number, since it is smaller than the sum of its proper divisors (4149182928).

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

1942641456 is a wasteful number, since it uses less digits than its factorization.

1942641456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35959 (or 35946 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 1942641456 is about 44075.4064757207. The cubic root of 1942641456 is about 1247.7594971302.

The spelling of 1942641456 in words is "one billion, nine hundred forty-two million, six hundred forty-one thousand, four hundred fifty-six".