1942274544 has 200 divisors, whose sum is σ = 6168474240. Its totient is φ = 525135744.

The previous prime is 1942274459. The next prime is 1942274549. The reversal of 1942274544 is 4454722491.

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

It is a junction number, because it is equal to n+sod(n) for n = 1942274496 and 1942274505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942274549) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2189269 + ... + 2190155.

Almost surely, 2^1942274544 is an apocalyptic number.

1942274544 is a gapful number since it is divisible by the number (14) 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 1942274544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084237120).

1942274544 is an abundant number, since it is smaller than the sum of its proper divisors (4226199696).

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

1942274544 is an equidigital number, since it uses as much as digits as its factorization.

1942274544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 918 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 1942274544 is about 44071.2439579370. The cubic root of 1942274544 is about 1247.6809362688.

The spelling of 1942274544 in words is "one billion, nine hundred forty-two million, two hundred seventy-four thousand, five hundred forty-four".